def broadcast_heartbeat_and_viewercount(self, broadcast_id):
        """
        Get a live broadcast's heartbeat and viewer count

        :param broadcast_id: Broadcast id
        :return:
        """
        broadcast_id = str(broadcast_id)
        endpoint = 'live/{broadcast_id!s}/heartbeat_and_get_viewer_count/'.format(**{'broadcast_id': broadcast_id})
        params = {
            '_csrftoken': self.csrftoken,
            '_uuid': self.uuid
        }
        return self._call_api(endpoint, params=params, unsigned=True)

        Get a live broadcast's heartbeat and viewer count

        :param broadcast_id: Broadcast id
        :return:
        
instagram_private_api/endpoints/live.py