what do you guys think about adding an optional `subscription_id` to relay `NOTICE` on NIP-01?
would be nice to be able to map a relay response to a specific REQ (if that's what caused the `NOTICE`)
fiatjaf (npub180c…h6w6) Cameri (npub1qqq…n47m) scsibug (npub1xhf…4xw3)