Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHK2xw9/2qOA4TkL6SJFB+qS3ISZhkRVCiQ7TjV5ZUzE3tN8KDqk0y+aqSD… (844 chars)"
  }
}