{"id":210379,"url":"https://lda.senate.gov/api/v1/clients/210379/?format=json","client_id":1,"name":"JOHN K. CASTLE","general_description":"Mid-sized private equity fund.","client_government_entity":false,"client_self_select":null,"state":"NY","state_display":"New York","country":"US","country_display":"United States of America","ppb_state":"NY","ppb_state_display":"New York","ppb_country":"US","ppb_country_display":"United States of America","effective_date":"2021-04-26","registrant":{"id":401106094,"url":"https://lda.senate.gov/api/v1/registrants/401106094/?format=json","house_registrant_id":45174,"name":"WILLIAM CASTLE","description":"For JK Castle -- sole practitioner.  For Air Force Association: employee","address_1":"6226 Fort Willard Circle","address_2":null,"address_3":null,"address_4":null,"city":"Alexandria","state":"VA","state_display":"Virginia","zip":"22307","country":"US","country_display":"United States of America","ppb_country":"US","ppb_country_display":"United States of America","contact_name":"WILLIAM CASTLE","contact_telephone":"+1 571-228-6453","dt_updated":"2026-01-15T09:32:42.231926-05:00"}}