{
    "processors": [
        {
            "json": {
                "field": "message",
                "target_field": "json",
                "ignore_failure": true
            }
        },
        {
            "date": {
                "field": "json.timestamp",
                "formats": [
                    "yyyy-MM-dd HH:mm:ss.SSSSSS"
                ],
                "target_field": "@timestamp",
                "ignore_failure": true
            }
        }
    ]
}