Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB8FOIhzYzjv6f8CIoBSnzK2uXlAuwJLmgFnMQHhyBFQhgTjfXBbM7cakU/… (844 chars)"
  }
}