key on Nostr: 不同用户能用同一个username，这个好烧脑

{ "id": "47c90791362fe409778f6ef653e0e98a8f51df50e39f81f48cc31fd6b7389a78", "pubkey": "8f23034ef41c5cf86b2b67b896146edaaca4185320c0088cd964e6e08e154e34", "created_at": 1675267963, "kind": 1, "tags": [], "content": "不同用户能用同一个username，这个好烧脑", "sig": "0a659aa536e607a7b8b190078b0b1f9c196d8c1a7b74cc9287f8cc7055a22e4d94dcfd603b0691b52c5a060230185ba886b4ee8ed2f0a02546d6e6dac974701d" }