Chris...Here's what the Json Feed Manager reports when opening your feed file:
Could not convert string to integer: 99:00:00. Path 'shortFormVideos[0].content.duration', line 29, position 22.
Empty 'category' object found in feed file.
It looks like you tried to code the file by hand. Correct the mistakes mentioned above and those mentioned by 37mediagroup.
FREE Windows desktop software for converting Direct Publisher channels to SceneGraph (SDK), for creating
BIF (Trick Play) files,
Roku (MRSS, JSON) feed files, and
FireTV feed files @
GitHub/rrirower.