Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAhKsiJ6saqfWMGbEBgqjLrF/7/J56QMT+Mz+dIlRmfInQnAchui2gYa9xh… (844 chars)"
  }
}