Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEK0H/xP7K5fX/d+EmUYYcUdlBKTVBdSBcvPTx151UqgRiSD1vYVCOTBPYf… (1,748 chars)"
  }
}