DartD_TIMSubscribeUserStatus typedef
        DartD_TIMSubscribeUserStatus =
     int Function(Pointer<Uint8>  json_identifier_array, Pointer<Uint8>  user_data)
    
    
    
Implementation
typedef DartD_TIMSubscribeUserStatus = int Function(ffi.Pointer<ffi.Uint8> json_identifier_array, ffi.Pointer<ffi.Uint8> user_data);