Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBLf68kYZH1kQWxRp6e8lyRrP4oYXk5JfGx0UV5Y5RqQWcqEi+3XYSfGyuT… (1,748 chars)"
  }
}