Search users (POST)

POST: /api/security/users/search

{
    "pageIndex": 0,
    "pageSize": 50,
    "where": [
        {
            "or": [
                {
                    "field": "username",
                    "contains": "tyler"
                },
                {
                    "field": "Email",
                    "contains": "tyler"
                }
            ]
        }
    ],
    "orderBy": [
        {
            "desc": "created"
        }
    ]
}