Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBgFTT80fjkAbrIHpSFhBbNnv2F4z+bUHNB2KTzEyA2rCdksoKe6VwVvw5J… (1,748 chars)"
  }
}