PK on Nostr: Is this #nostr?

{ "id": "79e6265f9d591aa77efa515e4280f58c124c322a2137fa6925ed690cde95328d", "pubkey": "a79bb20359b847da1bab1cdf08404f8832f26ada2b1ea36c44060697dde63268", "created_at": 1721225803, "kind": 1, "tags": [ [ "t", "nostr" ] ], "content": "Is this #nostr?\n\nhttps://i.pinimg.com/736x/58/db/86/58db86fdbfcfff03c8d73ba29c4eb0f7.jpg", "sig": "1d3685c962f998812db8564af503da6fb294783e1433321d07ab1c5becfb36daa308f8324cf61154be8dde49ea9d9ae9b83b0386b4ac1754197a9e395bd980bf" }