I try to attach a document on the field in Zoho, But I fail and response me error 400, which is wrong format

I try to attach a document on the field in Zoho, But I fail and response me error 400, which is wrong format

Here is the code

  1. var reader = fs.createReadStream('1.txt');
  2. var form_data = new FormData();
  3. form_data.append("file", reader);
  4. var joson_form_data = JSON.stringify(form_data);
  5. var response = await axios({
                    url: `https://www.zohoapis.com/crm/v2/${module}/${recordID}/Attachments`,
                    method: "POST",
                    headers: {
                        Authorization : `Zoho-oauthtoken ${accToken}`,
                        "Content-Type": "multipart/form-data"
                    },
                    data: joson_form_data })
the error message is "unable to process your request. please verify whether you have entered proper method name, parameter and parameter values"