Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAZgpU3PmbZlFRILXKZ4FOV6fN44yLxEaKLg+Y8kMwZlSzV0ShXa3jH/f33… (844 chars)"
  }
}