{
   "_id":"ZgfgbGpMxF5T6pNT8",
   "firstName":"Angela",
   "classes":[
      {
         "classId":"3x8cNzzr4DQ4PioM7"
      },
      {
         "classId":"oehC4pWbFLDAjbzvt"
      }
   ]
}

let studentUserProfiles = this.props.studentUserProfiles.map((studentUserProfile) => {
  studentUserProfile.classes = studentUserProfile.classes.filter(myClass => filterIds.includes(myClass.classId));
  return studentUserProfile;
});