The raw content of the file is shown because it could not be parsed as a FHIR resource
{
    "resourceType": "OperationOutcome",
    "meta": {
        "lastUpdated": "2022-05-17T15:59:42.589Z",
        "profile": [
        "https://fhir.nhs.uk/StructureDefinition/NHSDigital-OperationOutcome"
        ]
    },
    "issue": [
        {
        "severity": "error",
        "code": "forbidden",
        "details": {
            "coding": [
            {
                "system": "https://fhir.nhs.uk/CodeSystem/NHSD-API-ErrorOrWarningCode",
                "code": "ACCESS_DENIED"
            }
            ]
        },
        "diagnostics": "Invalid Access Token",
        }
    ]
}