code: def get(self, sid):
          
          return PublishedTrackContext(
              self._version,
              room_sid=self._solution['room_sid'],
              participant_sid=self._solution['participant_sid'],
              sid=sid,
          )
docs: Constructs a PublishedTrackContext
  
          :param sid: A 34 character string that uniquely identifies this resource.
  
          :returns: twilio.rest.video.v1.room.room_participant.room_participant_published_track.PublishedTrackContext
          :rtype: twilio.rest.video.v1.room.room_participant.room_participant_published_track.PublishedTrackContext