MaterialSaveDTO

{
    "categoryId": "string",
    "content": {
        "array": true,
        "bigDecimal": true,
        "bigInteger": true,
        "binary": true,
        "boolean": true,
        "containerNode": true,
        "double": true,
        "float": true,
        "floatingPointNumber": true,
        "int": true,
        "integralNumber": true,
        "long": true,
        "missingNode": true,
        "nodeType": "ARRAY",
        "null": true,
        "number": true,
        "object": true,
        "pojo": true,
        "short": true,
        "textual": true,
        "valueNode": true
    },
    "cover": "string",
    "id": "string",
    "status": true,
    "title": "string"
}