Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQL1VwQVC7uNp/6Y9SHXoqQHYxNc2FyAUB1CXkQJm+GSzE82KBbfYFhvYPFJ… (1,748 chars)"
  }
}