Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBzxnoR+e8iCiBlahnXlImsVvBgimG7cdJ/+mFxVBAKNE/Yzj6Sw3ojv1oP… (1,748 chars)"
  }
}