{
    "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
}