public IHttpActionResult Patch([FromODataUri] int key, Delta<Individual> patch)

{
  "statusId": ""
}

{
    "error": {
        "code": "",
        "message": "Request contains validation errors.",
        "details": [
            {
                "target": "patch",
                "message": "",
                "innerError": {
                    "message": "Cannot convert the literal '' to the expected type 'Edm.Int32'."
                }
            }
        ]
    }
}

{
  "statusId": null
}

{
    "error": {
        "code": "",
        "message": "Request contains validation errors.",
        "details": [
            {
                "target": "patch",
                "message": "",
                "innerError": {
                    "message": "Cannot convert null to the expected type 'Edm.Int32'."
                }
            }
        ]
    }
}