Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCrMrwBUvJIXQYmw+8hmfqHXyo1uxzpBgx7aCGyEZOqiAnegqVjwpxAY7Bf… (1,748 chars)"
  }
}