Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBKU25ntNb+tVX6jf47R739AnbE+bYncRXa0Ut8LCDmliDCHfZBYPeVw7x+… (1,748 chars)"
  }
}