in R/ad_data.R [266:273]
region_row <- function(result_row) {
reg_row <- result_row[["region_distribution"]]
id <- adlib_id_from_row(result_row)
reg_row %>%
purrr::map_df(as_tibble) %>%
dplyr::mutate(adlib_id = id) %>%
dplyr::mutate(dplyr::across(dplyr::contains("percentage"), ~ as.numeric(.x)))
}