Article says "contracted rates that are wrong, mislabeled, or missing" so I want to see what a correct, properly labelled example looks like according to the author. I want to see what they think correct data looks like.
If you want to get a sense of what a correct, properly labeled example might look like, you should visit the CMS's guidance [1]. Health insurers should be providing documents that follow the format described there, and most importantly, reporting values that are accurate.