Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAlB0BmFs7lxOWq3UBOqD+6WD8JA79dZl+dm5J/tgieowIuLVXlIHOC1IHB… (1,748 chars)"
  }
}