Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDnNAJKQjK9XKh55nUXMhv6DngvnBHG67+QaW1Lk2XF4i//4CxIqfk6/xXY… (1,748 chars)"
  }
}