I tried out nostr:npub1g2eak89f7ul2scwv5866na6d4huhkml488xlwgkv4ctprxg8mlnq0k8cz7 last night. Seemed to work really well. Had the m3u8 duke needed to stream it on Nostr same as twitch.

Vida obviously doesn't have the audience you are talking about but might be a worthy competitor in the future.