Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBMvRjyNJvBwNtHHm/ktSVmiT7Zc+cWYJreEhNUbeOqWit8mZrXUOLg4WkA… (844 chars)"
  }
}