def users(self, params):
        """
        This is a private API and requires whitelisting from Twitter.
        This endpoint will allow partners to add, update and remove users from a given
            tailored_audience_id.
        The endpoint will also accept multiple user identifier types per user as well.
        """
        resource = self.RESOURCE_USERS.format(account_id=self.account.id, id=self.id)
        headers = {'Content-Type': 'application/json'}
        response = Request(self.account.client,
                           'post',
                           resource,
                           headers=headers,
                           body=json.dumps(params)).perform()
        success_count = response.body['data']['success_count']
        total_count = response.body['data']['total_count']
        return (success_count, total_count)
This is a private API and requires whitelisting from Twitter.
        This endpoint will allow partners to add, update and remove users from a given
            tailored_audience_id.
        The endpoint will also accept multiple user identifier types per user as well.