K on Nostr: Proof?

{ "id": "12d0d9bd37ec2ec082fe9e31924b3b0479266bbdbc8033ae3e14c730de9bbed4", "pubkey": "b0b50f04ba16989130dff665a2efae7333a2653e7a715206c5de3e2d932e8529", "created_at": 1691167409, "kind": 1, "tags": [ [ "e", "1050c9cdd1b97b26e9a56b95e67453ea152f6b55821f9d0a4e63db76a8c74356" ], [ "p", "82341f882b6eabcd2ba7f1ef90aad961cf074af15b9ef44a09f9d2a8fbfbe6a2" ] ], "content": "Proof?", "sig": "3f6e6ef292f00d518f0294a1bc3b1ad862fc4980828f8e3aa8740a47506e6a6f103edc3a814b9274ae82787b779c228c098ef43c0ab42321e9342a634828e996" }