Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFIVWYDyDu0mLYgjC/NC5zWyHCrD1vJp6JFQiBpw6/eekh3HbUv5Cznaif7… (1,748 chars)"
  }
}