private async void Callback(object state)
{
if (!_mqttService.IsConnected())
{
return;
}
await _mqttService.Send(_deviceState.DeviceId, "2000", _deviceState.OperationTimeInSec.ToString());
if (tickCounter % 10 == 0)
{
await _mqttService.Send(_deviceState.DeviceId, "2010", _deviceState.WorkingHour.ToString());
}
}