UART is a bit of a tease I reckon.
You can often see and decode the numbers you want with the debug, and you think you’d be able to do some relatively simple lambdas in your config to parse out the parts you want and publish them into sensors.
But from what I’ve seen you need to go down a custom sensor/component path to actually get the readings into sensors, and then that involves a big jump in knowledge.
So I think you need to Google around for examples and fumble through changing yours to suit.
That’s my thoughts anyway.
I think the custom component linked in this post does something similar (but more). The part that reads UART grabs a few bits and puts them in a sensor.