I looked at the code in my Page Pack. Here’s what all of my child pages show:
“skuid__MasterPage__c”:“a04j000000AIaOnAAL”,“skuid__MasterPage__r”:{“attributes”:{“type”:“skuid__Page__c”,“url”:“/services/data/v34.0/sobjects/skuid__Page__c/a04j000000AIaOnAAL”},“Name”:“CheetahNavigation”,“skuid__UniqueId__c”:“CheetahBMS_CheetahNavigation”}