Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDoDI0XOUzEiYRgJNAvAeDy+izapalJL4Ru6YwzleMGfXxQHBQ5mHID3P5K… (1,748 chars)"
  }
}