code: def show(self, user, feed, id):
          
          uri = '/users/{}/feeds/{}/indicators/{}'.format(user, feed, id)
          return self.client.get(uri)
docs: Show a specific indicator by id
  
          :param user: feed username
          :param feed: feed name
          :param id: indicator endpoint id [INT]
          :return: dict
  
          Example:
              ret = Indicator.show('csirtgadgets','port-scanners', '1234')