private void RemoveTopicRequest()
        {
            Post("/deleteTopic", param =>
            {
                var publisherIDString = GetQueryValueFromKey("id");
                var topicName         = GetQueryValueFromKey("topicName");

                int publisherID;
                if (int.TryParse(publisherIDString, out publisherID))
                {
                    if (topicName.Length > 0 && Broker.RemoveTopic(publisherID, topicName))
                    {
                        return(GetSuccessJSONMessage($"Topic {topicName} successfully removed"));
                    }
                }

                return(GetFailureJSONMessage($"Topic {topicName} could not be removed"));
            });
        }