Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDeKk9YIoTG4F86hkUOc8W+QWx5DR/S+G+ATiGH4h+qb2YmPcYGUoTiJ8aO… (1,748 chars)"
  }
}