def __init__(self, version, service_sid, sid):
super(UserContext, self).__init__(version)<EOL>self._solution = {'<STR_LIT>': service_sid, '<STR_LIT>': sid, }<EOL>self._uri = '<STR_LIT>'.format(**self._solution)<EOL>self._user_channels = None<EOL>self._user_bindings = None<EOL>
Initialize the UserContext

:param Version version: Version that contains the resource
:param service_sid: The SID of the Service to fetch the resource from
:param sid: The unique string that identifies the resource

:returns: twilio.rest.chat.v2.service.user.UserContext
:rtype: twilio.rest.chat.v2.service.user.UserContext