mitch on Nostr: what client is this?

{ "id": "50a7661fe9898b919a1bd43ecaecf5987721bb566d7635ae6bde53ba29cb0a22", "pubkey": "83a25631542e1e0d799a17882061a81fceb178b766d9ed57684c4fcdd85d4ba2", "created_at": 1676951490, "kind": 1, "tags": [ [ "e", "eb623f68af809c40e8536503a7479b7d509e6dc2138cc8d4bc9155cd33d17bcc", "" ], [ "e", "aadd7dd6bc50687cb68e173a01e0bc0f7d179f679ae36d3b33846ebea35ae080" ], [ "p", "e2ccf7cf20403f3f2a4a55b328f0de3be38558a7d5f33632fdaaefc726c1c8eb" ], [ "p", "56634dd0b11b85ad68c5c5d26eb0c93c77c729556b2a1a95bade7194903f7149" ] ], "content": "what client is this?", "sig": "b36a060c6146f30c70d630f3654acd00b88e0805dfc69eb9042cd9b6e5084e981f16de0b6da2139d5c693622177ef9a1ef321bf13df998f3ebe29cbd561d72fd" }