{
  "fields": [
    {
            "keyId": {
                "$binary": {
                    "base64": "EjRWeBI0mHYSNBI0VniQEg==",
                    "subType": "04"
                }
            },
            "path": "encryptedText",
            "bsonType": "string",
            "queries": [
                {
                    "queryType": "substringPreview",
                    "strMaxLength": {
                        "$numberInt": "10"
                    },
                    "strMinQueryLength": {
                        "$numberInt": "2"
                    },
                    "strMaxQueryLength": {
                        "$numberInt": "10"
                    },
                    "caseSensitive": true,
                    "diacriticSensitive": true
                }
            ]
        }
  ]
}