Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAhB2NjZWasobiU2/jmjfq2oP6unBOsq57a1gc/Wg7fvEBN0lIJAK/lxxCj… (1,748 chars)"
  }
}