Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHG5WttiY6j1R1IuPtiEEDjIVN6Jdp4v6lc5mLQ5Oe/8hReAXH3tcGx/wFA… (844 chars)"
  }
}