How to get string type of data_type from Autodesk Platform Services?

I have a problem when I try get file model.sdb from Autodesk Platform Services and query string of data_type. My problem is I want to know data_type of enum number is string or double or any string type, I don’t know any api to mapping number enum number with string or double. Any help is appreciated !

this is schema example for that :

 },
    {
        "id": 33,
        "name": "Elevation",
        "category": "Constraints",
        "data_type": 3,
        "data_type_context": "autodesk.unit.unit:millimeters-1.0.1",
        "description": null,
        "display_name": "Elevation",
        "flags": 0,
        "display_precision": 1,
        "forge_parameter": null
    },

I expecting I can get string of data_type