Thanks @bar for information that you can use his MQTT or this version of integration not only with Dahua VTO/VTH but also with Dahua Cameras and NVRs.
If you will found something useful, please share it here. 
Thanks @bar for information that you can use his MQTT or this version of integration not only with Dahua VTO/VTH but also with Dahua Cameras and NVRs.
If you will found something useful, please share it here.