Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCcvdjvKYlnV2FKZRIuZQD9NbkRt/XOT4bo+03sIGo7/EhYdI8hsTr7SkuG… (844 chars)"
  }
}