public async Task <ActionResult> GetAuthPolicyAsync(string topicKeyName, string policyKeyName)
        {
            if (!await _serviceBusService.TopicExistAsync(topicKeyName))
            {
                return(NotFound());
            }

            var result = await _serviceBusService.GetSharedAuthenticationPolicyAsync(topicKeyName, policyKeyName);

            if (result == null)
            {
                return(NotFound());
            }

            return(Ok(result));
        }