Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBpoeiEx5aIUK6M39+MyYd/1Qz3+WvogbE+tqq0WLw3TnWIwFDPkAHN7CI/… (1,748 chars)"
  }
}