Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCCNqHhIy8SH8qAYIs5nGAju3e09Ri05N7YGhvVRCqoXQdN5cTjZUGEVUA/… (1,748 chars)"
  }
}