Jackson on Nostr: How relay works?

{ "id": "66121124029842cda32d4a6ffab830424814378638da5ddbbd059705241d0bf3", "pubkey": "bfefdbbf8782f186fce8e5d7f4158bc76c10ac5610b63fe413c1a0e231da28a7", "created_at": 1675470034, "kind": 1, "tags": [], "content": "How relay works?", "sig": "3cbb4d15ac9bc73db71f8449d400b9405867478016950571f7ef2b255c85cfd006b1644d36b45232b55485b05e140289f363b98279181c465adef7a30bf1a68e" }