<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def serialize(self):
 """ Serialize to JSON document that can be accepted by the X-Ray backend service. It uses jsonpickle to perform serialization. """

        try:
            return jsonpickle.encode(self, unpicklable=False)
        except Exception:
            log.exception("got an exception during serialization")