NVK on Nostr: who this?

{ "id": "5ae5861ba97d6e930dd202d4be8e1aef205097c643f0815019cfd816b7744b9b", "pubkey": "e88a691e98d9987c964521dff60025f60700378a4879180dcbbb4a5027850411", "created_at": 1671392404, "kind": 1, "tags": [ [ "p", "38cacdb37915f578f42b6ba35f712e3e934948280052bbff67aa768dafc161e9" ], [ "e", "6717375662b966120041dbe5cad98d6704861d57589a40ad7cfc5e250d653511" ], [ "e", "1401fead183af919ecf7dd22466ce8c4a455b5503af4488625f4ba96c01bb024" ] ], "content": "who this?", "sig": "d5d45c9fa98cbea36bbf5526141f537b2712fa64b6607d693883f691ae2dd6e29e3e22742204c8168181469cee2be264407a2b2147d136f8484674dc01236668" }