Retrieve values from context group matching: x (long), y (lat) group key. Catch any exception in populating values

GET /api/v1/geocontext/value/group/19.14/-32.32/rainfall_group/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "key": "rainfall_group",
    "name": "Rainfall",
    "description": "A collection of raster layers depicting monthly rainfall in South Africa",
    "group_type": "graph",
    "service_registry_values": [
        {
            "key": "monthly_rainfall_january",
            "value": "2",
            "name": "Monthly Rainfall and its Inter-Annual Variability (January)",
            "description": null,
            "query_type": "WMS"
        },
        {
            "key": "monthly_rainfall_february",
            "value": "5",
            "name": "Monthly Rainfall and it's Inter-Annual Variability (February)",
            "description": null,
            "query_type": "WMS"
        },
        {
            "key": "monthly_rainfall_march",
            "value": "9",
            "name": "Monthly Rainfall and it's Inter-Annual Variability (March)",
            "description": null,
            "query_type": "WMS"
        },
        {
            "key": "monthly_rainfall_april",
            "value": "22",
            "name": "Monthly Rainfall and it's Inter-Annual Variability (April)",
            "description": null,
            "query_type": "WMS"
        },
        {
            "key": "monthly_rainfall_may",
            "value": "52",
            "name": "Monthly Rainfall and it's Inter-Annual Variability (May)",
            "description": null,
            "query_type": "WMS"
        },
        {
            "key": "monthly_rainfall_june",
            "value": "72",
            "name": "Monthly Rainfall and it's Inter-Annual Variability (June)",
            "description": null,
            "query_type": "WMS"
        },
        {
            "key": "monthly_rainfall_july",
            "value": "60",
            "name": "Monthly Rainfall and it's Inter-Annual Variability (July)",
            "description": null,
            "query_type": "WMS"
        },
        {
            "key": "monthly_rainfall_august",
            "value": "53",
            "name": "Monthly Rainfall and it's Inter-Annual Variability (August)",
            "description": null,
            "query_type": "WMS"
        },
        {
            "key": "monthly_rainfall_september",
            "value": "29",
            "name": "Monthly Rainfall and it's Inter-Annual Variability (September)",
            "description": null,
            "query_type": "WMS"
        },
        {
            "key": "monthly_rainfall_october",
            "value": "18",
            "name": "Monthly Rainfall and it's Inter-Annual Variability (October)",
            "description": null,
            "query_type": "WMS"
        },
        {
            "key": "monthly_rainfall_november",
            "value": "9",
            "name": "Monthly Rainfall and it's Inter-Annual Variability (November)",
            "description": null,
            "query_type": "WMS"
        },
        {
            "key": "monthly_rainfall_december",
            "value": "2",
            "name": "Monthly Rainfall and it's Inter-Annual Variability (December)",
            "description": null,
            "query_type": "WMS"
        }
    ]
}