{"aspect_id":"AS10","aspect_name":"plane-angle","aspect_reference":null,"aspect_symbol":null,"name":"plane-angle microradian","scale_id":"SC258","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":"None \u00b5rad","unit_id":"UN428","unit_name":"microradian","unit_reference":null,"unit_symbol":"\u00b5rad"}