JSON file allow

I creat my custom filed

array(

‘id’ => parent::$sv_option_prefix . ‘firebase_app_json_file’,

‘type’ => ‘media’,

‘url’ => false,

‘read-only’ => false,

‘title’ => __(‘Upload JSON File’, ‘socialv-api’),

‘desc’ => __(‘Upload your JSON file here.’, ‘socialv-api’),

‘media_type’ => ‘application/json’

),



i want to upload json file but it do not allow me that

i also allow mime type but still unable to upload JSON file please help its urgent