Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDq8fqcjzf4oKeC5Yw7foc0QD8StNkPLBMM1vApk9TGo1OPLlzs3UG7wrg+… (1,748 chars)"
  }
}