Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDTWz4Y5PCCtibcsTGIGEWEEnOan0ZZkg9cXEj3+1iT9i+lNWU1rSqYMl3j… (1,748 chars)"
  }
}