Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAm/Itrp+0P9P9kNMbGgYb0ExxGR1wuREV/Fk/pK946x1HDBu5+1IAi0W2S… (1,748 chars)"
  }
}