JSONPARSER TOOLS:
1.NUMBER - A whole range of numerical values can be aggregated using any available aggregation function, so by specifying this type of field type, you will be able to aggregate with all possible aggregations.

2.STRING - This field type sorts its values alphabetically, and String data includes members of the field.

3.ARRAY - An object that consists of multiple JSON objects and starts with [ (left bracket) and ends with ] (right bracket.

4.BOOLEAN - In the absence of quotation marks, a value of true or false. These values can be interpreted as string values.

5.Empty/Null - In JSON, if a key does not have a value, the null value will be used and Key value pairs with no data will be reported as "null" without quotes.

For more- https://jsonparser.org/