Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQG3Nd29V/iJMx3ydL5son0A6S8Vq1pXi5Dt6y43hpzQY2YHUcdP6ETLY3AI… (1,748 chars)"
  }
}