code: def graphql_requests(self, *queries):
          
          data = {
              "method": "GET",
              "response_format": "json",
              "queries": graphql_queries_to_json(*queries),
          }
          return tuple(
              self._post(self.req_url.GRAPHQL, data, fix_request=True, as_graphql=True)
          )
docs: :param queries: Zero or more GraphQL objects
          :type queries: GraphQL
  
          :raises: FBchatException if request failed
          :return: A tuple containing json graphql queries
          :rtype: tuple