Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDArVEAHcCVnCF+8ZyQ6UdAAF/k9sbB3PtpgJDOR1wsNAWpHRJELq7elTfz… (1,748 chars)"
  }
}