Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA9wkFyQTGjwS0UlYg8QGxnwQ0BCr1P7uCcPskdd/Y9ASTPA4sSQBQuWuEh… (1,748 chars)"
  }
}