Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEklMTb0zPKKts9WnrkolVQaQfWCV/tUeMcRgvDKChQOBgzz9MdqxyU5Iao… (1,748 chars)"
  }
}