Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAp9Zr0aOny9ScoNHf+snO7SNnWqxT7xgy79B9zQGWCKl3lQFH9J0IH9o2v… (844 chars)"
  }
}