Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBZaBD/+YBbzWjgRkQILtMFgJ4fVRE3bSCp/xzUJ4dZrw5MRzs15g94VaC6… (1,748 chars)"
  }
}