Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHslIA9LXaXX/OXXF2/YNX8iPFKezRgK7x9f2NpWW1RoS5ozKl0YTz/6Ayw… (844 chars)"
  }
}