Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAURXvS5HnpTrNz6Q8PSmUQOBG5bgA9UDIqyGZWsGAk4Rn1ZJx8hAWJ3CC/… (1,748 chars)"
  }
}