Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBRTDBxfS7BtLB0HBF13ZLfLV3Tohx+/QRSBsBQDkJomBrZpRUb5Ti5AIxZ… (1,748 chars)"
  }
}