name on Nostr: which client?

{ "id": "5ed9bb9a4daa852ca15547f49666a45d7bd71cdc4a927c83ec4f4be3b54b58c2", "pubkey": "a754cdf39d71947ca84815b5f8dcaf4bfc756a2a8b4eba1c0edcf20edb8b8baf", "created_at": 1671734791, "kind": 1, "tags": [ [ "e", "716ecacedc32a291c9cf227bb0ced0fa9477b2ffecfa715e34a74cb4fd997924", "wss://nostr.sandwich.farm" ] ], "content": "which client?", "sig": "4725a6c402e2468b3f9d18714e3c0ae80702198158ddac4a4274f4a95b486135cbf96b57890691ed90042db65d4af8f5067ad05e1d604cf7f92687792cea602d" }