node on Nostr: What happened ?

{ "id": "5539481d1dc5caf1732a382ce4d1ed731c83a4b8104d0660c7034a668fc8144c", "pubkey": "18905d0a5d623ab81a98ba98c582bd5f57f2506c6b808905fc599d5a0b229b08", "created_at": 1726929100, "kind": 1, "tags": [ [ "e", "d0535989ea8080bc9926ea1125de7a576869f4ccc8da4dd3d3e6351ef7b4ece4", "", "root" ], [ "p", "f7512caa17d70aa7c79dc91afba80c5dcb39ab5ea07b1ab90e5e3c2b0fdc44bc" ] ], "content": "What happened ?", "sig": "7c39528facd9290cc8dba1984e3cd6f86c24be7edc6cb5ee3ab59efdbcc0608b82de4c39a387cc459b6fe1325069a9d9cc4f655b99c02aba2f7c82be935c5b3c" }