Authenticate to start using dataset events.

def listen_dataset_events(self, owner_id, project_id, dataset_id):
        """
        Authenticate to start using dataset events.
        """

        if not self._user_id:
            raise AmigoCloudError(self.error_msg['logged_in_websockets'])

        url = '/users/%s/projects/%s/datasets/%s/start_websocket_session'
        response = self.get(url % (owner_id, project_id, dataset_id))
        websocket_session = response['websocket_session']
        auth_data = {'userid': self._user_id,
                     'datasetid': dataset_id,
                     'websocket_session': websocket_session}
        self.amigosocket.emit('authenticate', auth_data)