For icons that display next to field names like so on lists...

...How can we replace them with custom icons, or fluent UI icons?

My current JSON file for formatting the body, looks like this...

{
    "sections": [
        {
            "displayname": "About the Recipe",
            "fields": [
                "Title",
                "Number of views",
                "Author",
                "Publishing Date",
                "Description",
                "Nutrition Facts",
                "Number of ingredients",
                "Number of servings",
                "Calories per serving"
            ]
        },
        ....

For icons that display next to field names like so on lists:

How can we replace them with custom icons, or fluent UI icons?

My current JSON file for formatting the body, looks like this:

{
    "sections": [
        {
            "displayname": "About the Recipe",
            "fields": [
                "Title",
                "Number of views",
                "Author",
                "Publishing Date",
                "Description",
                "Nutrition Facts",
                "Number of ingredients",
                "Number of servings",
                "Calories per serving"
            ]
        },
        ....