graylog query

gistfile1.txt

{
  "from": 0,
  "size": 150,
  "query": {
    "bool": {
      "must": {
        "query_string": {
          "query": "gl2_source_input:56d82de1f8fe7e034a8da1be levelname:WARN",
          "allow_leading_wildcard": true
        }
      },
      "filter": {
        "bool": {
          "must": {
            "range": {
              "timestamp": {
                "from": "2016-03-16 00:37:37.066",
                "to": "2016-03-16 08:37:37.066",
                "include_lower": true,
                "include_upper": true
              }
            }
          }
        }
      }
    }
  },
  "sort": [
    {
      "timestamp": {
        "order": "desc"
      }
    }
  ]
}