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{  "can_add_captions": true,  "user_entered_title": "User Entered Title",  "title": "filename-or-user-title-or-untitled",  "media_id": "m-JYmy6TLsHkxcrhgYmqa7XW1HCH3wEYc",  "media_type": "video",
  "media_tracks": [    {      "kind": "captions",      "created_at": "2012-09-27T16:46:50-06:00",      "updated_at": "2012-09-27T16:46:50-06:00",      "url": "https://<canvas>/media_objects/0_r949z9lk/media_tracks/1",      "id": 1,      "locale": "af"    },    {      "kind": "subtitles",      "created_at": "2012-09-27T20:29:17-06:00",      "updated_at": "2012-09-27T20:29:17-06:00",      "url": "https://<canvas>/media_objects/0_r949z9lk/media_tracks/14",      "id": 14,      "locale": "cs"    }  ],
  "media_sources": [    {      "height": "240",      "width": "336",      "content_type": "video/mp4",      "containerFormat": "isom",      "url": "http://example.com/p/100/sp/10000/download/entry_id/0_r949z9lk/flavor/0_xdp3qrpc/ks/MjUxNjY4MjlhMTkxN2VmNTA0OGRkZjY2ODNjMjgxNTkwYWE3NGMyNHwxMDA7MTAwOzEzNDkyNzU5MDY7MDsxMzQ5MTg5NTA2LjUxOTk7O2Rvd25sb2FkOjBfcjk0OXo5bGs7/relocate/download.mp4",      "bitrate": "382",      "size": "204",      "isOriginal": "0",      "fileExt": "mp4"    },    {      "height": "252",      "width": "336",      "content_type": "video/x-flv",      "containerFormat": "flash video",      "url": "http://example.com/p/100/sp/10000/download/entry_id/0_r949z9lk/flavor/0_0f2x4odx/ks/NmY2M2Q2MDdhMjBlMzA2ZmRhMWZjZjAxNWUyOTg0MzA5MDI5NGE4ZXwxMDA7MTAwOzEzNDkyNzU5MDY7MDsxMzQ5MTg5NTA2LjI5MDM7O2Rvd25sb2FkOjBfcjk0OXo5bGs7/relocate/download.flv",      "bitrate": "797",      "size": "347",      "isOriginal": "1",      "fileExt": "flv"    }  ]}