ooo on Nostr: Username 不唯一嘛？

{ "id": "95c8011e7b96de78924b570fe24ac137c4add7039c144f01327a2b88556f098d", "pubkey": "7d8f42fd15f42c49b8d509307dc6ed9faec0b98185e095a185769bed490edd8d", "created_at": 1675359194, "kind": 1, "tags": [], "content": "Username 不唯一嘛？", "sig": "12263526bf9024f44eddaaa285b4975b1dbf1322d88a81cef6387c61c9522207a96d07b1dc0ba2652862ffabb9b1936dfc5674ea0293addb342370a8f5060fa4" }