A QR label and what it prints, worded as the app prints it.
kindenumrequiredcopylocationidstring (uuid)requiredThe copy or storage location.
codestringrequiredcodeTextstringrequiredThe code as printed under the QR.
linkstringrequiredWhat the QR encodes (upper case, for a smaller code).
issuedbooleanrequiredA new label; false when it already had this one.
contentobjectrequiredtitlestringrequirednumberstring or nullrequiredidentityarray of stringrequiredSeries year, cover date, edition.
fieldsarray of objectrequiredidenumrequiredgradecertpage_qualitysignatureskey_noteslocationcopy_labelacquired_onprice_paidacquired_fromvalueasking_pricepublishertagscustomtextstringrequiredstrongbooleancoverUrlstring (uri) or nullrequired