Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDCBo6qqgD4X/MMiJo7WGKDd87KfIvx0XCD25QqHHfLeCixhDtJ4mBZY3DY… (1,748 chars)"
  }
}