def _pullMessage(self):
        """Call pull api with seq value to get message data."""
        data = {
            "msgs_recv": 0,
            "sticky_token": self._sticky,
            "sticky_pool": self._pool,
            "clientid": self._client_id,
            "state": "active" if self._markAlive else "offline",
        }
        return self._get(self.req_url.STICKY, data, fix_request=True, as_json=True)
Call pull api with seq value to get message data.