public async Task <ActionResult> CreateSubscriptionAsync(string topicKeyName, string subscriptionKeyName)
        {
            if (await _serviceBusService.SubscriptionExistAsync(topicKeyName, subscriptionKeyName))
            {
                var subscription = await _serviceBusService.GetSubscriptionAsync(topicKeyName, subscriptionKeyName);

                return(Ok(subscription));
            }

            var result = await _serviceBusService.CreateSubscriptionAsync(topicKeyName, subscriptionKeyName);

            await _topicRepository.AddTopicLogAsync(new TopicLog()
            {
                TopicName = topicKeyName, SubscriptionName = subscriptionKeyName, Action = TopicAction.CreateSubscription
            });

            return(Ok(result));
        }