Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA0GkYdz5d2ZCX9+GbUzmEEdKmXWb7lP9yzN/XHR6o8z0HB6sjKSDqvvhHl… (1,748 chars)"
  }
}