{"id":401103242,"url":"https://lda.senate.gov/api/v1/registrants/401103242/?format=json","house_registrant_id":null,"name":"SERLIN HALEY LLP","description":"Political advocacy and government relations firm","address_1":"51 Franklin Street","address_2":null,"address_3":null,"address_4":null,"city":"Boston","state":"MA","state_display":"Massachusetts","zip":"02110","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"ANDREW HACKMAN","contact_telephone":"+1 617-778-1200","dt_updated":"2025-07-25T17:43:22.899199-04:00"}