Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBQmJvokIe+xW/EFWq3DTPZTjwskAStdpvibDtV39cpdCOWzhiZaZW+F8y9… (1,748 chars)"
  }
}