code: def load(cls, bmessage):
          
          message_dict = msgpack.loads(bmessage, encoding="utf8", use_list=False)
  
          try:
              obj = MessageMeta._registered_messages[message_dict["type"]].__new__(MessageMeta._registered_messages[message_dict["type"]])
              object.__setattr__(obj, "__dict__", message_dict)
          except:
              raise TypeError("Unknown message type") from None
  
          if not obj._verify():  # pylint: disable=protected-access
              raise TypeError("Invalid message content")
  
          return obj
docs: From a bytestring given by a (distant) call to Message.dump(), retrieve the original message
          :param bmessage: bytestring given by a .dump() call on a message
          :return: the original message