{
  "@context": {
    "obi": "https://w3id.org/openbadges#",
    "extensions": "https://w3id.org/openbadges/extensions#"
  },
  "obi:validation": [
    {
      "obi:validatesType": "extensions:ExtraDescriptionExtension",
      "obi:validationSchema": "http://purl.imsglobal.org/spec/ob-exdesc/v1p0/schema/"
    }
  ]
}