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info.json must also include the appVersion and phoneInfo fields, which describe app version and phone hardware (and optionally software) respectively. NOTE: appVersion and phoneInfo have a max length of 48 characters. Submitting appVersion or phoneInfo longer than 48 characters will be truncated.
If you have the surveyGuid and surveyCreatedOn, you can use those instead of item and schemaRevision. Example:
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