{
    "vnf-preload-list": [
        {
            "vnf-name": "GENERIC_VNF_NAME",
            "vnf-type": "SIMPLE",
            "preload-data": 
            {
                "network-topology-information": 
                {
                },
                "vnf-topology-information": 
                {
                    "vnf-topology-identifier": 
                    {
                        "service-type": "vCPE",
                        "vnf-type": "SIMPLE",
                        "vnf-name": "GENERIC_VNF_NAME",
                        "generic-vnf-name": "GENERIC_VNF_NAME",
                        "generic-vnf-type": "SIMPLE"
                    },
                    "vnf-parameters": [
                        {
                            "hello": "world"
                        }
                    ]
                },
                "oper-status": 
                {
                    "order-status": "PendingAssignment"
                }
            }
        }
    ]
}