Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG7iLYYbE0lv8bSUYG1fG8BJIbRx7xa3tQ6IhSsA6fsdUSRBm2n7WS6u8b7… (844 chars)"
  }
}