{"event":"ecommerce_event","event_name":"view_item","event_category":"browse_catalog","ecommerce":{"items":[{"item_id":"RCN5906439","item_category2":"undetermined_copyright","item_category3":"standard","item_category4":"american_school_20th_century","item_category5":"not_balown","item_list_name":"lightbox","item_name":"montgomery_alabama_our_struggle_martin_luther_king_liberation_magazine_cover_april_1956_litho","item_variant":"undefined"},{"item_id":"RCN5906440","item_category2":"undetermined_copyright","item_category3":"standard","item_category4":"american_school_20th_century","item_category5":"not_balown","item_list_name":"lightbox","item_name":"martin_luther_king_and_the_montgomery_story_1957_litho","item_variant":"undefined"},{"item_id":"XOS7311426","item_category2":"no_copyright","item_category3":"standard","item_category4":"scherman_rowland_b_1937","item_category5":"balown","item_list_name":"lightbox","item_name":"dr_martin_luther_king_jr_and_mathew_ahmann_in_a_crowd_during_the_march_on_washington_1963_b_w_photo","item_variant":"undefined"},{"item_id":"XRE1804716","item_category2":"undetermined_copyright","item_category3":"standard","item_category4":"unknown_photographer_20th_century","item_category5":"balown","item_list_name":"lightbox","item_name":"malcolm_x_london_1964_b_w_photo","item_variant":"undefined"},{"item_id":"NAH175635","item_category2":"no_copyright","item_category3":"premium","item_category4":"nat_herz","item_category5":"not_balown","item_list_name":"lightbox","item_name":"the_march_on_washington_freedom_walkers_28th_august_1963_b_w_photo","item_variant":"undefined"},{"item_id":"NAH175648","item_category2":"no_copyright","item_category3":"premium","item_category4":"nat_herz","item_category5":"not_balown","item_list_name":"lightbox","item_name":"the_march_on_washington_heading_home_28th_august_1963_b_w_photo","item_variant":"undefined"},{"item_id":"NAH175651","item_category2":"no_copyright","item_category3":"premium","item_category4":"nat_herz","item_category5":"not_balown","item_list_name":"lightbox","item_name":"the_march_on_washington_love_28th_august_1963_b_w_photo","item_variant":"undefined"},{"item_id":"UIG1582600","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"lightbox","item_name":"harlem_supports_selma_new_york_1965_b_w_photo","item_variant":"undefined"},{"item_id":"XRA1674177","item_category2":"no_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"lightbox","item_name":"stokely_carmichael_also_known_as_kwame_ture_1967_b_w_photo","item_variant":"undefined"},{"item_id":"UIG1143600","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"lightbox","item_name":"rosa_parks_on_a_bus_in_montgomery_alabama_1956_b_w_photo","item_variant":"undefined"},{"item_id":"UIG2911740","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"lightbox","item_name":"fbi_wanted_poster_for_angela_davis_1970_litho","item_variant":"undefined"},{"item_id":"LTI4123184","item_category2":"in_copyright","item_category3":"premium","item_category4":"lonati_alessandro_b_1980","item_category5":"not_balown","item_list_name":"lightbox","item_name":"portrait_of_pastor_martin_luther_king_print","item_variant":"undefined"},{"item_id":"MRC7290716","item_category2":"no_copyright","item_category3":"standard","item_category4":"connie_harse","item_category5":"not_balown","item_list_name":"lightbox","item_name":"don_t_buy_here_unfair_practices_segregated_lunch_counters_1961_photo","item_variant":"undefined"},{"item_id":"MRC7290717","item_category2":"no_copyright","item_category3":"standard","item_category4":"connie_harse","item_category5":"not_balown","item_list_name":"lightbox","item_name":"jim_crow_must_go_1961_photo","item_variant":"undefined"}]}}