It seems to me that an array of ints depends on agreed convention (beyond the JSON standard) just as much as a base64 string does. In general, interpreting the

It seems to me that an array of ints depends on agreed convention (beyond the JSON standard) just as much as a base64 string does. In general, interpreting the meaning of a JSON primitive (int, string, boolean) is something that is being agreed upon by the users of the format.