Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD7EUw+K1xQxXLOlxZDBSVxyJB1R3TNlybodZN4qXB7jg6jh4Zknu4KP7VW… (1,748 chars)"
  }
}