RecordTypeInformation: {
    [space: string]: {
        [viewOrContainerExternalId: string]: {
            [property: string]: RecordContainerPropertyDefinition;
        };
    };
}

Nested typing map: space → view or container → property → definition. Present when includeTyping is true in the request. For data selected through a view, the second-level key has the format viewExternalId/version and the property names are the view's.