{"id":"S87003402","label":"Fulvic acids","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh87003402","normalized_label":"fulvic acids","broader":["http://id.loc.gov/authorities/subjects/sh85000537"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh87003402","provider":"lcsh","revision":"50e1b8d3928a9aae","taxonomy_revision":"f050b5d4780b1289","title":"Fulvic acids","url":"/topics/S87003402","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4667070893086868992","address_version":"morton4x16-v1","coordinates":[0,20,48708,10240],"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}