Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGUut9wWCxYD0XFBAmgIX+FvQ8oPPmyZ7+gOWoslxk00RkI5O+Kf0JQnYeP… (844 chars)"
  }
}