Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQB6wk66yK6tW9pfmA0aUrIkIEQlHzgExlv94/j+6hNNp1uxDJDCQHLXfq8Z… (1,748 chars)"
  }
}