Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBn/+IknfXQCbefSFuSy8BXoI5V7GJ+Dk/mudXLa2z8UVr/3OYyxpXWz1IG… (1,748 chars)"
  }
}