Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAp1MBA7fniQM2u2CGs6jQgi+Oh3eROq1V3kWYg/3LiZxlrrPQKq7Mq5JTA… (1,748 chars)"
  }
}