Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDyR7x+oAHwwQW6xBWN9tuzcaCjvv9RwYTwf/4p3epcKCIOTIyAJ5uy1PVJ… (1,748 chars)"
  }
}