Got sidetracked over that day or so adding nip-19 support to my Nostr Swift library. I want to be able to handle things link nprofile,naddr, etc in Seer.
I was able to pretty easily adapt what nostr:npub180cvv07tjdrrgpa0j7j7tmnyl2yr6yr7l8j4s3evf6u64th6gkwsyjh6w6 was doing in the go-nostr lib.
https://github.com/Galaxoid-Labs/Nostr/blob/main/Sources/Nostr/ShareableIndetifiers.swift