See the entire meat process in the video below:
{"preview_thumbnail":"/sites/default/files/styles/video_embed_wysiwyg_preview/public/video_thumbnails/OMN_Oz0-7Q4.jpg?itok=_wL74pqx","video_url":"https://youtu.be/OMN_Oz0-7Q4","settings":{"responsive":1,"width":"854","height":"480","autoplay":1},"settings_summary":["Embedded Video (Responsive, autoplaying)."]}