Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBTdZlsjK+DON/ezYJYD8Nj4ShVbh0x9eRkqN1CTL9J2ku+3zkKkK+6Rs8C… (1,748 chars)"
  }
}