name on Nostr: which client?

{ "id": "df3f11284270d4fc4ce7251da87767695526acd68866f35a3db1bd3e7d3e44f6", "pubkey": "a754cdf39d71947ca84815b5f8dcaf4bfc756a2a8b4eba1c0edcf20edb8b8baf", "created_at": 1671479303, "kind": 1, "tags": [ [ "e", "e8a929bb5d5895be54c0e0d06de705d3d62870692f88e1fdcec0d0a6da4b6fdf", "wss://relay.nostr.ch" ] ], "content": "which client?", "sig": "6d8b92ccba8ac39136b579236411c5c2927a08f79738f8eafe23826738b3b96cf2738f586ed9cd5737991364b893465055e1cc4a0ae9e039b6562460a0eb335d" }