{
    "options": {
        "encryptedFields": {
            "escCollection": "esc",
            "eccCollection": "ecc",
            "ecocCollection": "ecoc",
            "fields": [
                {
                    "keyId": {
                        "$binary": {
                            "base64": "EjRWeBI0mHYSNBI0VniQEg==",
                            "subType": "04"
                        }
                    },
                    "path": "value",
                    "bsonType": "int",
                    "queries": {
                        "queryType": "equality",
                        "contention": {
                            "$numberLong": "0"
                        }
                    }
                }
            ]
        }
    }
}