Radio Browser in Automation

I discovered that I can manually cast a radio station to my Google Nest audio devices using the Radio Browser:

-I then select Radio Browser:

a country:

and a radio station:

How can I do this in an Automation, so that a specific radio station (from Radio Browser) plays at a specific time ?
I already cast radio stations by using media play with a specific URL of the radio stations I like, but using Radio Browser might be a nice alternative.