diff --git a/libgm/json_proto/deseralize.go b/libgm/json_proto/deseralize.go
deleted file mode 100644
index 61b7368..0000000
--- a/libgm/json_proto/deseralize.go
+++ /dev/null
@@ -1,53 +0,0 @@
-package json_proto
-
-import (
-	"fmt"
-
-	"google.golang.org/protobuf/reflect/protoreflect"
-)
-
-func Deserialize(data []interface{}, m protoreflect.Message) error {
-	for i := 0; i < m.Descriptor().Fields().Len(); i++ {
-		fieldDescriptor := m.Descriptor().Fields().Get(i)
-		index := int(fieldDescriptor.Number()) - 1
-		if index < 0 || index >= len(data) || data[index] == nil {
-			continue
-		}
-
-		val := data[index]
-
-		switch fieldDescriptor.Kind() {
-		case protoreflect.MessageKind:
-			nestedData, ok := val.([]interface{})
-			if !ok {
-				return fmt.Errorf("expected slice, got %T", val)
-			}
-			nestedMessage := m.NewField(fieldDescriptor).Message()
-			if err := Deserialize(nestedData, nestedMessage); err != nil {
-				return err
-			}
-			m.Set(fieldDescriptor, protoreflect.ValueOfMessage(nestedMessage))
-		case protoreflect.BytesKind:
-			bytes, ok := val.([]byte)
-			if !ok {
-				return fmt.Errorf("expected bytes, got %T", val)
-			}
-			m.Set(fieldDescriptor, protoreflect.ValueOfBytes(bytes))
-		case protoreflect.Int32Kind, protoreflect.Int64Kind:
-			num, ok := val.(float64)
-			if !ok {
-				return fmt.Errorf("expected number, got %T", val)
-			}
-			m.Set(fieldDescriptor, protoreflect.ValueOf(int64(num)))
-		case protoreflect.StringKind:
-			str, ok := val.(string)
-			if !ok {
-				return fmt.Errorf("expected string, got %T", val)
-			}
-			m.Set(fieldDescriptor, protoreflect.ValueOf(str))
-		default:
-			// ignore fields of other types
-		}
-	}
-	return nil
-}
diff --git a/libgm/msg_handler.go b/libgm/msg_handler.go
index 3351a33..1836f6d 100644
--- a/libgm/msg_handler.go
+++ b/libgm/msg_handler.go
@@ -6,7 +6,7 @@ import (
 	"log"
 
 	"go.mau.fi/mautrix-gmessages/libgm/binary"
-	"go.mau.fi/mautrix-gmessages/libgm/json_proto"
+	"go.mau.fi/mautrix-gmessages/libgm/pblite"
 )
 
 func (r *RPC) HandleRPCMsg(msgArr []interface{}) {
@@ -24,7 +24,7 @@ func (r *RPC) HandleRPCMsg(msgArr []interface{}) {
 		}
 	*/
 	response := &binary.RPCResponse{}
-	deserializeErr := json_proto.Deserialize(msgArr, response.ProtoReflect())
+	deserializeErr := pblite.Deserialize(msgArr, response.ProtoReflect())
 	if deserializeErr != nil {
 		r.client.Logger.Error().Err(fmt.Errorf("failed to deserialize response %s", msgArr)).Msg("rpc deserialize msg err")
 		return
diff --git a/libgm/pblite/deseralize.go b/libgm/pblite/deseralize.go
new file mode 100644
index 0000000..377d7c7
--- /dev/null
+++ b/libgm/pblite/deseralize.go
@@ -0,0 +1,85 @@
+package pblite
+
+import (
+	"encoding/base64"
+	"fmt"
+
+	"google.golang.org/protobuf/reflect/protoreflect"
+)
+
+func Deserialize(data []any, m protoreflect.Message) error {
+	for i := 0; i < m.Descriptor().Fields().Len(); i++ {
+		fieldDescriptor := m.Descriptor().Fields().Get(i)
+		index := int(fieldDescriptor.Number()) - 1
+		if index < 0 || index >= len(data) || data[index] == nil {
+			continue
+		}
+
+		val := data[index]
+
+		var num float64
+		var expectedKind, str string
+		var boolean, ok bool
+		switch fieldDescriptor.Kind() {
+		case protoreflect.MessageKind:
+			nestedData, ok := val.([]any)
+			if !ok {
+				return fmt.Errorf("expected untyped array at index %d for field %s, got %T", index, fieldDescriptor.FullName(), val)
+			}
+			nestedMessage := m.NewField(fieldDescriptor).Message()
+			if err := Deserialize(nestedData, nestedMessage); err != nil {
+				return err
+			}
+			m.Set(fieldDescriptor, protoreflect.ValueOfMessage(nestedMessage))
+		case protoreflect.BytesKind:
+			bytesBase64, ok := val.(string)
+			if !ok {
+				return fmt.Errorf("expected string at index %d for field %s, got %T", index, fieldDescriptor.FullName(), val)
+			}
+			bytes, err := base64.StdEncoding.DecodeString(bytesBase64)
+			if err != nil {
+				return fmt.Errorf("failed to decode base64 at index %d for field %s: %w", index, fieldDescriptor.FullName(), err)
+			}
+
+			m.Set(fieldDescriptor, protoreflect.ValueOfBytes(bytes))
+		case protoreflect.Int32Kind:
+			num, ok = val.(float64)
+			expectedKind = "float64"
+			m.Set(fieldDescriptor, protoreflect.ValueOfInt32(int32(num)))
+		case protoreflect.Int64Kind:
+			num, ok = val.(float64)
+			expectedKind = "float64"
+			m.Set(fieldDescriptor, protoreflect.ValueOfInt64(int64(num)))
+		case protoreflect.Uint32Kind:
+			num, ok = val.(float64)
+			expectedKind = "float64"
+			m.Set(fieldDescriptor, protoreflect.ValueOfUint32(uint32(num)))
+		case protoreflect.Uint64Kind:
+			num, ok = val.(float64)
+			expectedKind = "float64"
+			m.Set(fieldDescriptor, protoreflect.ValueOfUint64(uint64(num)))
+		case protoreflect.FloatKind:
+			num, ok = val.(float64)
+			expectedKind = "float64"
+			m.Set(fieldDescriptor, protoreflect.ValueOfFloat32(float32(num)))
+		case protoreflect.DoubleKind:
+			num, ok = val.(float64)
+			expectedKind = "float64"
+			m.Set(fieldDescriptor, protoreflect.ValueOfFloat64(num))
+		case protoreflect.StringKind:
+			str, ok = val.(string)
+			expectedKind = "string"
+			m.Set(fieldDescriptor, protoreflect.ValueOfString(str))
+		case protoreflect.BoolKind:
+			boolean, ok = val.(bool)
+			expectedKind = "bool"
+			m.Set(fieldDescriptor, protoreflect.ValueOfBool(boolean))
+		default:
+			return fmt.Errorf("unsupported field type %s in %s", fieldDescriptor.Kind(), fieldDescriptor.FullName())
+		}
+		if !ok {
+			return fmt.Errorf("expected %s at index %d for field %s, got %T", expectedKind, index, fieldDescriptor.FullName(), val)
+		}
+	}
+	return nil
+}
diff --git a/libgm/json_proto/serialize.go b/libgm/pblite/serialize.go
similarity index 62%
rename from libgm/json_proto/serialize.go
rename to libgm/pblite/serialize.go
index 72804da..56b26d5 100644
--- a/libgm/json_proto/serialize.go
+++ b/libgm/pblite/serialize.go
@@ -1,4 +1,4 @@
-package json_proto
+package pblite
 
 /*
 in protobuf, a message looks like this:
@@ -53,10 +53,13 @@ This means that any slice inside of the current slice, indicates another message
 */
 
 import (
+	"encoding/base64"
+	"fmt"
+
 	"google.golang.org/protobuf/reflect/protoreflect"
 )
 
-func Serialize(m protoreflect.Message) ([]interface{}, error) {
+func Serialize(m protoreflect.Message) ([]any, error) {
 	maxFieldNumber := 0
 	for i := 0; i < m.Descriptor().Fields().Len(); i++ {
 		fieldNumber := int(m.Descriptor().Fields().Get(i).Number())
@@ -65,34 +68,37 @@ func Serialize(m protoreflect.Message) ([]interface{}, error) {
 		}
 	}
 
-	serialized := make([]interface{}, maxFieldNumber)
+	serialized := make([]any, maxFieldNumber)
 	for i := 0; i < m.Descriptor().Fields().Len(); i++ {
 		fieldDescriptor := m.Descriptor().Fields().Get(i)
 		fieldValue := m.Get(fieldDescriptor)
 		fieldNumber := int(fieldDescriptor.Number())
+		if !m.Has(fieldDescriptor) {
+			continue
+		}
 		switch fieldDescriptor.Kind() {
 		case protoreflect.MessageKind:
-			if m.Has(fieldDescriptor) {
-				serializedMsg, err := Serialize(fieldValue.Message().Interface().ProtoReflect())
-				if err != nil {
-					return nil, err
-				}
-				serialized[fieldNumber-1] = serializedMsg
+			serializedMsg, err := Serialize(fieldValue.Message().Interface().ProtoReflect())
+			if err != nil {
+				return nil, err
 			}
+			serialized[fieldNumber-1] = serializedMsg
 		case protoreflect.BytesKind:
-			if m.Has(fieldDescriptor) {
-				serialized[fieldNumber-1] = fieldValue.Bytes()
-			}
+			serialized[fieldNumber-1] = base64.StdEncoding.EncodeToString(fieldValue.Bytes())
 		case protoreflect.Int32Kind, protoreflect.Int64Kind:
-			if m.Has(fieldDescriptor) {
-				serialized[fieldNumber-1] = fieldValue.Int()
-			}
+			serialized[fieldNumber-1] = fieldValue.Int()
+		case protoreflect.Uint32Kind, protoreflect.Uint64Kind:
+			serialized[fieldNumber-1] = fieldValue.Uint()
+		case protoreflect.FloatKind, protoreflect.DoubleKind:
+			serialized[fieldNumber-1] = fieldValue.Float()
+		case protoreflect.EnumKind:
+			serialized[fieldNumber-1] = int(fieldValue.Enum())
+		case protoreflect.BoolKind:
+			serialized[fieldNumber-1] = fieldValue.Bool()
 		case protoreflect.StringKind:
-			if m.Has(fieldDescriptor) {
-				serialized[fieldNumber-1] = fieldValue.String()
-			}
+			serialized[fieldNumber-1] = fieldValue.String()
 		default:
-			// ignore fields of other types
+			return nil, fmt.Errorf("unsupported field type %s in %s", fieldDescriptor.Kind(), fieldDescriptor.FullName())
 		}
 	}
 
diff --git a/libgm/session_handler.go b/libgm/session_handler.go
index c914380..885362d 100644
--- a/libgm/session_handler.go
+++ b/libgm/session_handler.go
@@ -12,8 +12,8 @@ import (
 
 	"go.mau.fi/mautrix-gmessages/libgm/binary"
 	"go.mau.fi/mautrix-gmessages/libgm/crypto"
-	"go.mau.fi/mautrix-gmessages/libgm/json_proto"
 	"go.mau.fi/mautrix-gmessages/libgm/payload"
+	"go.mau.fi/mautrix-gmessages/libgm/pblite"
 	"go.mau.fi/mautrix-gmessages/libgm/util"
 )
 
@@ -100,7 +100,7 @@ func (s *SessionHandler) completeSendMessage(requestId string, opCode int64, msg
 }
 
 func (s *SessionHandler) toJSON(message protoreflect.Message) ([]byte, error) {
-	interfaceArr, err := json_proto.Serialize(message)
+	interfaceArr, err := pblite.Serialize(message)
 	if err != nil {
 		return nil, err
 	}
@@ -145,14 +145,14 @@ func (s *SessionHandler) sendAckRequest() {
 		EmptyArr: &binary.EmptyArr{},
 		NoClue:   nil,
 	}
-	dataArray, err := json_proto.Serialize(ackMessagePayload.ProtoReflect())
+	dataArray, err := pblite.Serialize(ackMessagePayload.ProtoReflect())
 	if err != nil {
 		log.Fatal(err)
 	}
 	ackMessages := make([][]interface{}, 0)
 	for _, reqId := range s.ackMap {
 		ackMessageData := &binary.AckMessageData{RequestId: reqId, Device: s.client.devicePair.Browser}
-		ackMessageDataArr, err := json_proto.Serialize(ackMessageData.ProtoReflect())
+		ackMessageDataArr, err := pblite.Serialize(ackMessageData.ProtoReflect())
 		if err != nil {
 			log.Fatal(err)
 		}