Graylog Extractors JSON

extractors.json

{
  "extractors": [
    {
      "title": "JSON",
      "extractor_type": "json",
      "converters": [],
      "order": 0,
      "cursor_strategy": "copy",
      "source_field": "message",
      "target_field": "",
      "extractor_config": {
        "flatten": true,
        "list_separator": ", ",
        "kv_separator": ":",
        "key_prefix": "",
        "key_separator": "_",
        "replace_key_whitespace": true,
        "key_whitespace_replacement": "_"
      },
      "condition_type": "string",
      "condition_value": "{\""
    }
  ],
  "version": "4.1.2"
}