public override Task HandleUpdateAsync(ChangeNotification notification)
        {
            if (notification.Object == "user")
            {
                foreach (var entry in notification.Entry)
                {
                    // Your logic to handle the update here
                }
            }

            throw new NotImplementedException();
        }
        public override Task HandleUpdateAsync(ChangeNotification notification)
        {
            if (notification.Object == "user")
            {
                foreach (var entry in notification.Entry)
                {
                    // 업데이트를 처리하기 위한 사용자의 논리를 입력함
                }
            }

            throw new NotImplementedException();
        }
 public override Task HandleUpdateAsync(ChangeNotification notification)
 {
     return Task.FromResult(0);
 }
 public abstract Task HandleUpdateAsync(ChangeNotification notification);