{
    "s": "success",
    "r": [
        {
            "id": "1",
            "topic": "Topic 1: B4X"
        },
        {
            "id": "2",
            "topic": "Topic 2: Mobile Development"
        },
        {
            "id": "3",
            "topic": "Topic 3: Database"
        },
        {
            "id": "4",
            "topic": "Topic 4: Other"
        }
    ],
    "e": null
}