Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCMFRf0qM+B8zphm2W7/LV5ieaqmWjsWd8KKonSnPOaN1gXdZIkyds7PxL/… (1,748 chars)"
  }
}