I finally was able to get this working. You'll need to apply patches to Openzwave & Domoticz. I published my patches to Domoticz (and Homebridge plugin) here:
https://github.com/jowerg

A quick video using Domoticz + HomeBridge + Linear GD00Z-4:
https://www.youtube.com/watch?v=2RrnOqp1L4g

NOTE ...