将json部分反序列化为POJO，但保留一些原始json作为字段

I have a json as follows:

我有以下json:

"customer": {  
     "personal": {  
        "name": “jim johnson”,  
        “miscellaneous”: {  
            “active”: “true”,  
            “addons”: {  
              "location": “us”  
            },  
        “customer_id”: “1234”   
        }    
    },  
    “source”: “main db”  
}  
"custo