Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGZqqZG/wFO4PFRJ4MYkfjAjVLd+MvzNh9sF9L9TjU6Bw6rUhTlkQfmMBIi… (844 chars)"
  }
}