ivar on Nostr: What is it?

{ "id": "5a8ad5c5795c217d7a240626a3cb3e187a00a20d54830cca37a9813dc27e34bb", "pubkey": "13dc14f8354ed839bdd2f816aee6b461414c6ce2d13c8d2c12dfa4567ad6cb64", "created_at": 1672178160, "kind": 1, "tags": [ [ "e", "b47a26422139e1c6aa87c3a5d9f55794b90adfcd96a0ad5c64d7bf6cc25e66dd" ], [ "p", "eb6ed93ee19e02ac81521a9fcea7c73d1a656800d58fc1275642c476ef59712a" ] ], "content": "What is it?", "sig": "f96c19b41faeeb9cbddfce24eee2a8f97057cb9d05a9f2db7f669e715b1a0b1a96dcb7904aae83363f50ec547fc1679b46259a9aa6c8592302165fd8b5a1b31e" }