public void RemovePriorityUser(int id, string streamName)
        {
            TwitterStream ts = streamManager.GetStream(streamName);

            if (ts != null)
            {
                Subscription subscription = ts._subRepo.Find(sub => sub.Id == id && streamName == sub.Event.Name).First();
                if (subscription != null)
                {
                    ts.RemoveSubscription(id);
                    GetPriorityUsers(streamName);
                }
            }
        }