puzzles on Nostr: Calle is a spook

{ "id": "9f1445d6f4ac2ab5148ade411b4c9bc464742fd07216a238838c7328cfb0cb0e", "pubkey": "50de492cfe5472450df1a0176fdf6d915e97cb5d9f8d3eccef7d25ff0a8871de", "created_at": 1757882115, "kind": 1, "tags": [], "content": "Calle is a spook", "sig": "30b7c28c6ed044d4ec2718d092d3b85217cc81a9c9a70c17034dfdb02d973876f501fdbe81011d62ed0afbd3e6ceccb1ebb317eed717cd790cc39d000b3dbc54" }