Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHo8vfXt7zFkEbKO6XjF2BsZPl5Y7Y35yi1gEJQ3E9yllRjpThaFJicyOHH… (844 chars)"
  }
}