The latest spot for a real Hackney 's is Printers ' Row:

"Results": [
    {
        "TypeName": "ORG",
        "Text": "Hackney 's",
        "Start": 27,
        "End": 37
    },
    {
        "TypeName": "LOC",
        "Text": "Printers ' Row",
        "Start": 41,
        "End": 55
    }
]