Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHdS8TaFq//7dEP6V5pwXAj24mJROWIUk6d0wS+Xc4Ja36YCPXzbKOzsuoU… (1,748 chars)"
  }
}