Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBMFAjDJmzAURfr5Fzb5/8X5XaGtbMbqTOcDOjn8JQ2qACTbqNuDj9ViG4J… (844 chars)"
  }
}