{"person":[{"first_name":"Benjamin","age_circa":"circa","age":"28","age_year":"1848","gender":"male","term_slavery":"y","term_end_age":"30","economic_assessments":[{"economic_assesment":"From 1847 to 1848 - petition"},{"economic_assesment":"From 1848 - petition"},{"economic_assesment":"From 1846 - supplemental petition"}]}]}