code: def _get_request_messages(self, request):
          
          data = request.get_data(as_text=True)
          try:
              msg = self.json_decoder.decode(data)
          except Exception:
              raise ParseError("Could not parse request data '{}'".format(data))
          if isinstance(msg, list):
              return msg
          else:
              return [msg]
docs: Parses the request as a json message.
  
          :param request: a werkzeug request with json data
          :type request: werkzeug.wrappers.Request
          :return: The parsed json object
          :rtype: dict[str, object]