Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCMtEHTQ3RvjpvpAY0Z/OKXxWuukQo8Lc5tvZHJ+l5tcklILquhBBrF5DpZ… (1,748 chars)"
  }
}