https://github.com/wujifoo/nostr-bip-85-prototype
Not sure if this is what you had in mind, but the concept is similar.
npub1ma…6p9v4
2025-11-18 06:22:49 UTC
in reply to nevent1q…5k5v
Author Public Key
npub1maee5ny3mc52km3sl405e2d08aupvml9fqe2dwq60qktlsyfpshse6p9v4Seen on
wss://nos.lol