Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAs9mYzCX8Isd5X+XqgNZmOVkOqc8okM+9xVGJu5BuQ1zBMnGGRRzP1aPCl… (1,748 chars)"
  }
}