Can't upload json file for api testing

Hi, I tried to upload json file like xxx.json but the response result is always 415 in my katalon. i tried the exactly same in postman and it works

details header:

  • content type = multipart/form-data
  • token = [generated token]
  • accept = application/json

detail body :
image | type file | xxx.jpg
jsonfile | type file | xxx.json

method post

please anyone can help me?