:: JSON data can also be passed as a path to a .json file

oint vk UploadPhotoToServer ^
 --file "https://hut.openintegrations.dev/test_data/picture.jpg" ^
 --auth "{'access_token':'***','owner_id':'-218861756','app_id':'51694790','group_id':'218861756'}" ^
 --type "Post"