12th Arrondissement is a county and its consensus geometry is derived from quattroshapes.
{"geom:latitude":48.835154,"wof:name":"12th Arrondissement","counts:names_total":5,"mz:is_current":0,"wof:hierarchy":[{"continent_id":102191581,"country_id":85633147,"county_id":102069097,"macrocounty_id":404227749,"macroregion_id":404227465,"region_id":85683497}],"qs:a2_lc":"26","lbl:latitude":48.831165,"qs:adm0_a3":"FRA","name:fra_x_variant":["Paris-12E-Arrondissement","12e Arrondissement"],"geom:area":0.001983,"mz:is_funky":1,"counts:concordances_total":0,"qs:adm0":"France","edtf:deprecated":"2017-12-29","geom:type":"Polygon","wof:lastmodified":1514708457,"qs:a2":"PARIS-12E-ARRONDISSEMENT","qs:a1":"PARIS","wof:belongsto":[85683497,102191581,85633147,404227749,404227465],"mps:latitude":48.831165,"qs:a0":"France","wof:repo":"whosonfirst-data-admin-fr","qs:a2r_lc":"1","wof:country":"FR","counts:names_preferred":2,"geom:area_square_m":1.6136789227173E7,"counts:names_variant":3,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"FR","geom:bbox":"2.36432076076,48.8183490441,2.46725956716,48.8532250307","name:eng_x_preferred":["12th Arr."],"src:lbl:centroid":"mapshaper","wof:superseded_by":[1158894255],"name:fra_x_preferred":["12e Arr."],"wof:geomhash":"253e30fe561dd0b1b66dd9e590fabc41","wof:placetype_id":102312313,"qs:level":"adm2","mz:is_ceased":0,"wof:placetype":"county","mz:is_deprecated":1,"geom:longitude":2.419818,"wof:id":102069097,"qs:a1r_lc":"11","qs:source":"France IGN","wof:concordances":{},"qs:a1r":"ILE-DE-FRANCE","name:eng_x_variant":["12th Arrondissement of Paris"],"src:geom":"quattroshapes","src:geom_alt":[],"wof:tags":[],"counts:names_languages":2,"mps:longitude":2.442043,"qs:a1_lc":"75","wof:supersedes":[],"lbl:longitude":2.442043,"wof:parent_id":404227749,"wof:placetype_names":["county"],"mz:hierarchy_label":1,"edtf:cessation":"uuuu"}