code: def get_user_entitlement(self, user_id):
          
          route_values = {}
          if user_id is not None:
              route_values['userId'] = self._serialize.url('user_id', user_id, 'str')
          response = self._send(http_method='GET',
                                location_id='8480c6eb-ce60-47e9-88df-eca3c801638b',
                                version='5.0-preview.2',
                                route_values=route_values)
          return self._deserialize('UserEntitlement', response)
docs: GetUserEntitlement.
          [Preview API] Get User Entitlement for a user.
          :param str user_id: ID of the user.
          :rtype: :class:`<UserEntitlement> <azure.devops.v5_0.member_entitlement_management.models.UserEntitlement>`