nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyv9kh2uewd9hj7qgwwaehxw309ahx7uewd3hkctcpzamhxue69uhhyetvv9ujumn0wd68ytnzv9hxgtcprpmhxue69uhhyetvv9ujuumfv9khxarj9e3k7mf0qy88wumn8ghj77tpvf6jumt99uqzq7km2gxr437tdhyz2dggmuxwrkt4mfylaldfkhy4vaz2qjwjxzkwa0t06c I found the NIP 04 based spec for push notifications, is that currently in production anywhere? Has more work been done on that anywhere? I'm thinking of drafting a NIP that works with NIP 89 to choose a push provider, delegate auth, register push or email notifications, etc.