Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHNkiAyTgpp8xypx+JP1DkCKXwCX+mfI2QcUxv6rfJ9az7CXKUKZA4zbDJz… (1,748 chars)"
  }
}