Yes, that certainly has worked for a month or so, I have it fire every morning (well, every work morning).
Just tried the below (based on the routine) and it worked…for now…so I’ll go with that.
{
“entity_id”: “media_player.bedroom”,
“media_content_id”: “e._s._p._n. radio”,
“media_content_type”: “TUNEIN”
}