Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQA7u0tEKu2a7BBP0EynZKvEJ8to+FyX8UAM3O+INq5f8WPz9xd83Gh8k2cI… (1,748 chars)"
  }
}