Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB1NNb3GiZjtmC5QTYiCH3fecF0UlB+kHP+T6Xf5l1xEjB3fyN+l+KsD925… (844 chars)"
  }
}