Private groups use a draft NIP 87, totally different. Use NIP 17, don't use NIP 04
Discussion
I’m looking at your code now … scheming to port it (out of coracle) to work with my NDK app … any tips? What files should I be looking at?
https://github.com/coracle-social/coracle/blob/master/src/engine/utils/nip44.ts
https://github.com/coracle-social/coracle/blob/master/src/engine/utils/nip59.ts
https://github.com/coracle-social/coracle/blob/master/src/app/views/ChannelsDetail.svelte