BUB on Nostr: Citation?

{ "id": "823f9fefc7e50e7f5f839073682f334814299286ebe9accecf00f536004c08f5", "pubkey": "7b2255d05d13f48f2298ce6110dd148dfff613c6177a5f204a836adfb724be8e", "created_at": 1715067338, "kind": 1, "tags": [ [ "e", "d29ea2546782ecbdc372f8f5dbd538a859efe1ab941d1553dc1df1d086ef8954", "", "root" ], [ "p", "7543c184ff776be3c13d2437894494173cfea4e9919d48fb2934216a13a53c58" ] ], "content": "Citation?", "sig": "789552aa04f2370dc3c7ed032b0b7194ca6683950f6f624129fdea1dafb1a3da0170441709f833d69d05bf65f36173995b2157643ed0da4e6e480c7ed283df3a" }