ne5cio on Nostr: What is PV for?

{ "id": "766d93afc0f509bda2deb6f3bac45111722fd6c8e9312f8a87e8f3b4a3279fa6", "pubkey": "20e17dd0ec1bb0832688e739ad89709d047deb23ed5146822efdd2d22ae504d7", "created_at": 1675258613, "kind": 1, "tags": [ [ "e", "39afff4fe5e0517553cfad9ce8d044fdafc594260cddbaace72a9ecb9b16118a", "" ], [ "e", "d68cce8553b616565ab1f898aa5888f54bffb939e3560d7b7bb783e0d669d7b4" ], [ "p", "9984188a6578eb513fddcf658f389dbd532e54b82b628ad36666f7aa8f731b79" ], [ "p", "3f770d65d3a764a9c5cb503ae123e62ec7598ad035d836e2a810f3877a745b24" ], [ "p", "eb6ed93ee19e02ac81521a9fcea7c73d1a656800d58fc1275642c476ef59712a" ] ], "content": "What is PV for?", "sig": "f6e651ca8cbe4cd45bd9c0c7bcb845589c199784075b2f86a05973e0218b9a2ed53133d29472cbff223767eda90444ccdc451be11a1fc480b8a374e9780a41b3" }