Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDPpQnURBhiiJo6bvXC+EQRwq5S3s+PNeN/9jMmQZ+zwBjYDM0J7CIulbHQ… (1,748 chars)"
  }
}