Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHNlrpRIaW0b6+i2bH7pBJg7RMzMZAn4pFzy8QSfocWXkCzIyB9D92jpEgc… (844 chars)"
  }
}