Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC8mZHLD3z6pAcVfeBWZFN1Yt0TGpumbfItiC/wBrDT1ER8Aj5aYgIvKxoU… (1,748 chars)"
  }
}