Gene Relationship
GET /api/genes/SPG7/relationships/variant_set?format=api
{
    "data": [
        {
            "type": "SmallVariant",
            "id": "2471"
        },
        {
            "type": "SmallVariant",
            "id": "2474"
        },
        {
            "type": "SmallVariant",
            "id": "2476"
        },
        {
            "type": "SmallVariant",
            "id": "2479"
        },
        {
            "type": "SmallVariant",
            "id": "2482"
        }
    ]
}