public Task RemoveSubscription(CurrentSubscription sub)
        {
            var table = GetCloudTable("CurrentSubscriptions");

            return(table.ExecuteAsync(TableOperation.Delete(sub)));
        }
        public Task AddSubscription(CurrentSubscription sub)
        {
            var table = GetCloudTable("CurrentSubscriptions");

            return(table.ExecuteAsync(TableOperation.InsertOrReplace(sub)));
        }