Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCxpBZ6CZnkHqadvm/BGJFbqitWOqNZA5kfyd/vOj67KGk1LJYXT7BQG6z/… (1,748 chars)"
  }
}