{"id":"S2003008909","label":"Observation wheels","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2003008909","normalized_label":"observation wheels","broader":["http://id.loc.gov/authorities/subjects/sh85143905","http://id.loc.gov/authorities/subjects/sh85146412"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2003008909","provider":"lcsh","revision":"d5ba3987761cb7c8","taxonomy_revision":"f050b5d4780b1289","title":"Observation wheels","url":"/topics/S2003008909","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4650050205629425218","address_version":"morton4x16-v1","coordinates":[0,477,36342,13312],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}