<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_instance(self, payload):
 """ Build an instance of StreamMessageInstance :param dict payload: Payload response from the API :returns: twilio.rest.sync.v1.service.sync_stream.stream_message.StreamMessageInstance :rtype: twilio.rest.sync.v1.service.sync_stream.stream_message.StreamMessageInstance """

        return StreamMessageInstance(
            self._version,
            payload,
            service_sid=self._solution['service_sid'],
            stream_sid=self._solution['stream_sid'],
        )