deleted on Nostr: What app is this?

{ "id": "fda863fa2d344d853aafab81fd5c57dca77aa7bd6af30c310781343ea276e493", "pubkey": "ace13f3ca2ad9acd63e5305b207f09d8c8566f0111901f8887f40fa45f3a9b21", "created_at": 1701658884, "kind": 1, "tags": [ [ "e", "f01458554de2010777124c8661c05f3df3fde120d5e191fe581083f544b3c32c", "", "root" ], [ "p", "1aa8deb1a20f3533b2817dc621ea28a786865996acb5cf242ae8342e2c4b5213" ] ], "content": "What app is this?", "sig": "98b89a2dc1c618f42aa5f4d1df6bb2ff19a834d98f4a30b48b04e659df21e3dafef0faff76160a08bff53d8192a5fa5d4f9d3bdeeda2396df35aecaa553dab3b" }