It looks like at least one person got it OTA
Look for a comment by firecar25 in the comments section of http://www.androidpolice.com/2013/10...t-on-schedule/
He/she wrote - "It's official! My Sprint GS4 updated after doing the delete data from Google framework services app then Samsung system update, yay!" and provided screen prints
These are the screen print he/she posted (sorry - images are large)
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