Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCY7kvaEc6+y3ZxksSkCzJ9cA8TxIJO7Xjr7JQWvv3cBxY46dK4D/31oZuU… (1,748 chars)"
  }
}