What about allowing subkeys in nip-…

What about allowing subkeys in nip-05?

then you say subkey user@host is that same as masterkey user@host

{
"names": {
"": "de7ecd1e2976a6adb2ffa5f4db81a7d812c8bb6698aa00dcf1e76adb55efd645"
},
"subkeys": {
"": ["63788a374051653757367fd221bbf9c1b5c68bacc60ac45daa0b5877c6baf49c"]
}
}