curl --location --request POST 'https://apigw.klinkcx.com/api/v1/media-manager/files' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
"data": "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mP8z8BQDwAEhQGAhKmMIQAAAABJRU5ErkJggg==",
"fileName": "red-pixel.png",
"mimeType": "image/png",
"title": "Red Pixel Test",
"description": "A tiny test image to verify upload",
"altText": "Alt text",
"isPrivate": false,
"folderId": null,
"isFavorite": true,
"sortOrder": 0
}'