{
  "type": "object",
  "name": "Userdata",
  "properties": {
    "firstName": {
      "type": "string"
    },
    "lastName": {
      "type": "string"
    },
    "email": {
      "type": "string"
    },
    "username": {
      "type": "string"
    }
  },
  "required": [
    "firstName",
    "lastName",
    "email",
    "username"
  ],
  "$schema": "https://json-structure.org/draft/2020-12/schema"
}