Tosefta zu Yoma 3:16

[In the case of] a Gentile that applied [lit "gave"] oil on top of a marble slab [?] (see Yoma 3:10, Gitt. 60a:10 "טַבְלָא שֶׁל זָהָב" = "golden tablet"), to roll around on it, when he gets up, a Jew is permitted to sit down after him.