Sirba is a county and its consensus geometry is derived from meso.
{"meso:gadm_admin":"Al Geneina","meso:gaul_admin":"Kulbus","geom:latitude":13.818045,"wof:name":"Sirba","counts:names_total":4,"statoids:as_of_date":"2008-04-22","mz:is_current":1,"wof:hierarchy":[{"continent_id":102191573,"country_id":85632751,"county_id":1091709547,"region_id":85676881}],"wof:placetype_local":"county","meso:source":"AOTM","meso:name_alt":"Sirba","mz:min_zoom":6,"lbl:latitude":13.829027,"lbl:min_zoom":8,"meso:hasc_id":"SD.WD.SI","geom:area":0.166306,"label:eng_x_preferred_placetype":["district"],"counts:concordances_total":1,"geom:type":"Polygon","wof:lastmodified":1695886472,"meso:admin_1":"West Darfur","statoids:capital":"","wof:belongsto":[102191573,85632751,85676881],"mps:latitude":13.829027,"wof:repo":"whosonfirst-data-admin-sd","wof:shortcode":"SI","wof:country":"SD","counts:names_preferred":2,"geom:area_square_m":1.996887342519081E9,"counts:names_variant":2,"wof:breaches":[],"edtf:inception":"uuuu","statoids:type":"county","iso:country":"SD","statoids:area_km":"","statoids:statoid":"SD.WD.SI","geom:bbox":"22.091111,13.613625,22.746558,14.041003","name:eng_x_preferred":["Sirba"],"src:lbl_centroid":"mapshaper","wof:superseded_by":[],"name:fra_x_preferred":["Sirba"],"wof:geomhash":"9ad53d0d400f9f55799c8ec144f0e78a","wof:placetype_id":102312313,"mz:is_ceased":0,"wof:created":1473880150,"label:eng_x_preferred_longname":["Sirba District"],"lbl:max_zoom":10,"src:population":"statoids","src:population_date":"2008-04-22","wof:placetype":"county","meso:mps_y":13.829027,"statoids:name":"Sirba","meso:mps_x":22.417792,"statoids:population":"87293","mz:is_deprecated":0,"geom:longitude":22.444317,"wof:population":87293,"wof:id":1091709547,"statoids:timezone":"3","meso:diss_me":"SirbaWest Darfur","statoids:country":"SD","wof:concordances":{"hasc:id":"SD.WD.SI"},"name:eng_x_variant":["Kulbus","Al Geneina"],"src:geom":"meso","wof:tags":[],"wof:population_rank":8,"counts:names_languages":2,"mps:longitude":22.417792,"meso:name_en":"Sirba","statoids:hasc":"SD.WD","wof:supersedes":[],"lbl:longitude":22.417792,"wof:parent_id":85676881,"wof:placetype_names":["county"],"mz:hierarchy_label":1,"edtf:cessation":"uuuu"}