Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCQYA3NHSaC73zz98KLW4+8gdFghGXKaUnyG+w3RkcuF01Jc+ccUgkCZxC5… (1,748 chars)"
  }
}