await UADataChangeNotificationObservable
            .Create<bool>(_endpointDescriptor, _presenceSensorId, samplingInterval: 500)
            .ObserveOn(TaskPoolScheduler.Default)
            .Skip(1)
            .Select(x => x switch
            {
                { TypedAttributeData.TypedValue: true } => OperationTaskStatus.Ok,
                _ => OperationTaskStatus.Nok,
            })
            .StartWith(OperationTaskStatus.New)
            .FirstAsync(x => x is OperationTaskStatus.Ok)
            .ToTask(cancellationToken, scheduler: TaskPoolScheduler.Default)
            .ConfigureAwait(false);