CategoryVariantDetails(CategoryVariantDetails)

What a category is about, one key per kind of category.

See [MarketVariantDetails].

{
    "sports": {
        "provider": {},
        "providerEventId": "string",
        "teams": [
            {}
        ]
    },
    "crypto": {
        "priceFeedProvider": {},
        "priceFeedId": "string",
        "priceFeedSymbol": "string",
        "startPrice": 0,
        "endPrice": 0
    },
    "tweet": {
        "xAccountUsername": "string",
        "tweetCount": 0
    }
}