Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQL+8JadyK1hngGOu/ZPyuE0hXOdNGgoEAFDGxOzw3RieDUKvYWrebHHG/HI… (1,748 chars)"
  }
}