Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDyLtKW7wm81NFucBrHqhHIrIrhOmIXy88W2OPYkBbJBw4Ej1F7Xp5ZA2B+… (1,748 chars)"
  }
}