{
  "type": "object",
  "properties": {
    "name": { "type": "string" },
    "email": { "type": "string" },
    "username": { "type": "string" },
    "url": { "type": "uri" },
    "avatar": { "type": "uri" }
  },
  "required": [ "name", "email" ],
  "additionalProperties": false
}