Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBBEVzTxGC45hvgUZ5RpUw7rkXULnVRsi/c8o6VXAyzESSlS9OsfEwFtfou… (1,748 chars)"
  }
}