Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQA21yx0YjiFaHIvhfJyqV1qTyvLmrOGklM53A3w+ryAF0c5ZPJBYqweTJ/c… (1,748 chars)"
  }
}