Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB6KBtPBKBAKWYoqmb1uHb6YVfGuw1Z+yxnEVFijIhnfjNegbDV5gQbvfR2… (1,748 chars)"
  }
}