{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "required": [
        "transin"
    ],
    "type": "object",
    "properties": {
        "transin": {
            "maxLength": 15,
            "minLength": 15,
            "pattern": "^([0-9]{2}[0-9A-Z]{13})$",
            "type": "string"
        }
    }
}