Google Script HTTP POST

http-post.json

{
    "queryString": "param1=value11¶m1=value12¶m2=value2",
    "postData": {
        "contents": "{ \"key1\": \"value1\", \"key2\": \"value2\" }",
        "type": "application/javascript",
        "name": "postData",
        "length": 38
    },
    "parameter": {
        "param1": "value11",
        "param2": "value2"
    },
    "contextPath": "",
    "parameters": {
        "param1": [
            "value11",
            "value12"
        ],
        "param2": [
            "value2"
        ]
    },
    "contentLength": 38
}