frag on Nostr: what's that?

{ "id": "d913fc632be7b990a60c5fb19a51648442ea81985ee0d98c9747fdebe1ccc019", "pubkey": "ef926067a83226d61507e7ae99746be50b11c9733879ce83fd1c0ff436b507be", "created_at": 1778839929, "kind": 1, "tags": [ [ "e", "362c4716cd08cc1bf16953cc8f0d2a5de6206e95302bb52d419128e071d8d447", "", "root" ], [ "p", "930ccef12372dd2f16057cfc54f0dbd94335d8b51b4e2737236b00cab718fcd9" ], [ "r", "wss://nos.lol/", "read" ], [ "r", "wss://nostr.mom/", "read" ], [ "r", "wss://relay.mostr.pub/" ], [ "r", "wss://auth.nostr1.com/" ], [ "r", "wss://relay.nostrcheck.me/", "write" ], [ "r", "wss://relay.damus.io/" ], [ "r", "wss://relay.0xchat.com/" ], [ "client", "Primal Web" ] ], "content": "what's that? \n", "sig": "170150c774abc902bf94849384d503fbbfa36c594593be92c3c7e954c17d5ef4eb3bd4ef387dd5bebe7b4d40a49a18b14aafddb37e4194cbaccb3338f7ddd7aa" }