Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCrP5u7Q7a/+bPUxVIUpnkHrloXVGAaK2rdjGM80lsQ6BGf8doHYu5FBy6/… (1,748 chars)"
  }
}