[Event] Add debugprint

lib/src/RawEvent.dart

@@ -66,6 +66,7 @@ class RawEvent {
       this.room});
 
   static Map<String, dynamic> getMapFromPayload(dynamic payload) {
+    print("getMapFromPayload: $payload");
     if (payload is String) return json.decode(payload);
     if (payload is Map<String, dynamic>) return payload;
     return null;