/api/services/app/UiCustomizationSettings/UpdateDefaultUiManagementSettings

curl --location --request PUT '/api/services/app/UiCustomizationSettings/UpdateDefaultUiManagementSettings' \
--header 'Content-Type: application/json' \
--data-raw '{
    "theme": "string",
    "layout": {
        "layoutType": "string",
        "darkMode": true
    },
    "header": {
        "minimizeDesktopHeaderType": "string"
    },
    "subHeader": {
        "fixedSubHeader": true,
        "subheaderStyle": "string",
        "subheaderSize": 0,
        "titleStyle": "string",
        "containerStyle": "string",
        "subContainerStyle": "string"
    },
    "menu": {
        "position": "string",
        "asideSkin": "string",
        "fixedAside": true,
        "allowAsideMinimizing": true,
        "defaultMinimizedAside": true,
        "submenuToggle": "string",
        "searchActive": true,
        "enableSecondary": true,
        "hoverableAside": true
    },
    "footer": {
        "fixedFooter": true
    }
}'