code: def _make_request_data(self, teststep_dict, entry_json):
          
          method = entry_json["request"].get("method")
          if method in ["POST", "PUT", "PATCH"]:
              postData = entry_json["request"].get("postData", {})
              mimeType = postData.get("mimeType")
  
              # Note that text and params fields are mutually exclusive.
              if "text" in postData:
                  post_data = postData.get("text")
              else:
                  params = postData.get("params", [])
                  post_data = utils.convert_list_to_dict(params)
  
              request_data_key = "data"
              if not mimeType:
                  pass
              elif mimeType.startswith("application/json"):
                  try:
                      post_data = json.loads(post_data)
                      request_data_key = "json"
                  except JSONDecodeError:
                      pass
              elif mimeType.startswith("application/x-www-form-urlencoded"):
                  post_data = utils.convert_x_www_form_urlencoded_to_dict(post_data)
              else:
                  # TODO: make compatible with more mimeType
                  pass
  
              teststep_dict["request"][request_data_key] = post_data
docs: parse HAR entry request data, and make teststep request data
  
          Args:
              entry_json (dict):
                  {
                      "request": {
                          "method": "POST",
                          "postData": {
                              "mimeType": "application/x-www-form-urlencoded; charset=utf-8",
                              "params": [
                                  {"name": "a", "value": 1},
                                  {"name": "b", "value": "2"}
                              }
                          },
                      },
                      "response": {...}
                  }
  
  
          Returns:
              {
                  "request": {
                      "method": "POST",
                      "data": {"v": "1", "w": "2"}
                  }
              }