Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDrtxMJDj5NzjtrXO1Zop68tgtrDD6vDlzSc43aGKrYLkv/Pi2n7hpG7JcA… (1,748 chars)"
  }
}