Did some digging. This seems to be the only one I can see:
wss://nostr.zbd.gg
And the emoji is a basic red ❤️ which I assume is U+2764.
Discussion
Will add to my relay list
🙌
Try now
I can see the reaction, but not the zap.
Looks like it uses an empty string, that's so annoying. Will add handling for this I guess
Might work now, don't have access so I can't test
I’ll keep trying. Sounds like there are some client quirks on their end.
