addMediaFromBase64 not working

foreach ($data['images'] as $image) {
     $article->addMediaFromBase64($image)->toMediaCollection('article-images');
     $mediaItems = $article->load('media')->getMedia('article-images');
     $article->content = str_replace($image, $mediaItems[count($mediaItems) - 1]->getFullUrl(), $article->content);
}