NEW1 on Nostr: What client is that

{ "id": "f4d4762a6dab9788989ef368f75d98f92e0d51b83eadca8159e5f2737ee39669", "pubkey": "df0aed92dff00d4ffeda2f4cd88d967dc576b5549400b92afb98a419aa06e6f5", "created_at": 1677168230, "kind": 1, "tags": [ [ "e", "d3055fefd88a7448554db7f73d3d4d078d545b84878e90aafa6ce98d2fa428d0" ], [ "e", "7afecdf039c020b64ad47a33c9208b858521f664da650278f585299c0ff2b2e7" ], [ "p", "e5785538eb1ba384f107c868dc8a463219fa4b8c7807b0994430ab9a63919b15" ], [ "p", "e5785538eb1ba384f107c868dc8a463219fa4b8c7807b0994430ab9a63919b15" ], [ "p", "e5785538eb1ba384f107c868dc8a463219fa4b8c7807b0994430ab9a63919b15" ] ], "content": "What client is that", "sig": "3273f90a508db6a805cacaa9968aa7e8b6e5613aced44847fc1f2ec76822c240b3ea9edbff96878df0b090fdd6ffb4d109f2a46918d852886dee97b4eee455aa" }