I'll try to put together a working livestream feed in a few days with dummy liveValue tag that changes every 30seconds so you can test and develop.
I also have this which is just an html file with some JS so you can see what's going on under the hood on the client side.
https://codepen.io/editor/S-B-the-typescripter/pen/019d0407-7f0c-750f-9c76-1ab1520f1c6d