Authorization: Bearer sk-...
{ "base64": "iVBORw0KGgoAAAANSUhEUgAA..." }
curl --location --request POST '/mj/submit/describe' \ --header 'Authorization;' \ --header 'Content-Type: application/json' \ --data-raw '{ "base64": "iVBORw0KGgoAAAANSUhEUgAA..." }'
{ "code": 1, "result": "task_id_describe_123", "description": "submitted" }