Pulkovskij meridian is a localadmin and its consensus geometry is derived from meso.
{"geom:latitude":59.795859,"meso:admin1r_en":"Severo-Zapadnyj federal'nyj okrug","wof:name":"Pulkovskij meridian","counts:names_total":1,"mz:is_current":0,"wof:hierarchy":[{"continent_id":102191581,"country_id":85632685,"empire_id":874393555,"localadmin_id":1158858793,"region_id":85688069}],"meso:source":"AOTM","lbl:latitude":59.800843,"meso:gadm_cyril":"Санкт-Петербург (горсовет)","geom:area":0.006453,"meso:name_lat":"Pulkovskij meridian","counts:concordances_total":0,"geom:type":"MultiPolygon","wof:lastmodified":1510870324,"meso:admin_1":"Санкт-Петербург","meso:admin_1r":"Северо-Западный федеральный округ","wof:belongsto":[102191581,85632685,874393555,85688069],"wof:repo":"whosonfirst-data-admin-ru","wof:country":"RU","counts:names_preferred":0,"geom:area_square_m":4.0139617543171E7,"counts:names_variant":1,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"RU","geom:bbox":"30.2169071557,59.7445865843,30.335911742,59.8437676958","meso:admin1_en":"Sankt-Peterburg","src:lbl:centroid":"mapshaper","wof:superseded_by":[],"wof:geomhash":"689e1f90212fd895c85f572cd41f35f4","name:und_x_variant":["Пулковский меридиан"],"wof:placetype_id":404221409,"mz:is_ceased":0,"wof:created":1478902647,"wof:placetype":"localadmin","meso:mps_y":59.800843,"meso:oktmo_name":"муниципальный округ № 47","meso:mps_x":30.299977,"mz:is_deprecated":0,"meso:patch":0,"meso:okato_code":"40284564","geom:longitude":30.286022,"wof:id":1158858793,"meso:diss_me":"Pulkovskij meridianSankt-Peterburg","wof:concordances":{},"meso:name_local":"Пулковский меридиан","src:geom":"meso","meso:oktmo_code":"40376000","wof:tags":[],"meso:gadm_name_":"Sankt-Peterburg gorsovet","counts:names_languages":1,"meso:name_en":"Pulkovskij meridian","meso:gadm_hasc_":"NO DATA","wof:supersedes":[1108736027],"lbl:longitude":30.299977,"wof:parent_id":85688069,"wof:placetype_names":["localadmin"],"mz:hierarchy_label":1,"edtf:cessation":"uuuu","meso:okato_name":"N 47"}