The “Details” JSON seems jumbled. See:
{"status":"success","message":"OK","data":{"Name":"Robert Ignatieff","Address":"1990 Lake Floyd Circle, Gaithersburg, MD 20877","Details":{"1":"Birthday","176":"Company","39273275":"Favorite color","7acad451-3bcd-422a-8573-b320ea2a5f91":"QR Code","1999ToyotaBandeirante":"GUID","Brown":"Vehicle", <sic>}}}