User DTO according to api-documentation.yaml
Schema definition: UserDto: properties: userID: string (uuid) fullName: string (maxLength: 255) email: string (email, maxLength: 255) role: string (enum: [CANDIDATE, HR]) creationTimestamp: string (date-time)
{
"userID": "string",
"fullName": "string",
"email": "string",
"role": "CANDIDATE",
"createdAt": "string"
}