Create a url safe action token attached to the user
        :param action:
        :param expires_in:
        :return:

def create_action_token(self, action, expires_in):
        """
        Create a url safe action token attached to the user
        :param action:
        :param expires_in:
        :return:
        """
        return utils.sign_url_safe(self.user.id,
                                   secret_key=get_jwt_secret(),
                                   salt=action,
                                   expires_in=expires_in)