Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHxqcU6jQIzeSZPIdkNHvlvI3HWDvOWKHe5CKkjrEnEBkeOb8OGZxhEZR/V… (844 chars)"
  }
}