Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAT1dc/1tamXHRN2dnaUvc/Ljd4zYrnX5WZj8xqFik/0FYxR+ymt6/e8qXz… (1,748 chars)"
  }
}