mutatrum on Nostr: Explain please?

{ "id": "183e66f10e0604ff3aef58606ccf87faeef8d23d355a7adb3e95548d5dc197c1", "pubkey": "bdbe1bdbc9b25a8d89d8fdaf0be1a0dcd837bac9691f597892903a5fdd86e27f", "created_at": 1717638988, "kind": 1, "tags": [ [ "e", "8ce8dde2d84a8cd73ffd8e03a221f24be10eaa0e36599361066efabcca5c8e9c", "", "root" ], [ "p", "ec99edc5567e02815fb15020285e2fa8390931cedf59c83d6bb2c5f6ee1530b9" ] ], "content": "Explain please?", "sig": "b75926d197de101ba7fb22058cb4b5569029aaa8769a9628c7b6b4bec0225e6d96ddba5dc402883cd5dda48553c544c59a66e55a146ef766b762438a1518bef3" }