Here is a video Using the Nvidia Xavier NX to send Deepstream5 MetaData to Ignition maker using MQTT sparkplug, while streaming a webcam running Deepstream5 over RTSP all in Python.
There is Git Hub link in video description with instructions
to try it yourself.
If you go to my U tube page there are quite a few videos on ignition maker and Nvidia nano and Xavier NX
plus there is links in some videos to my github repo with code and instructions