Request to updatememberinterest endpoint

a:4:{s:5:”APIId”;s:36:”7E77E6A6-68C8-40B7-96F1-E38690882ADF”;s:6:”APIKey”;s:24:”U3mP7oxKvXl8SPPLY9HtIQ==”;s:8:”MemberID”;s:36:”c355ee5a-0778-41d5-bfc7-2cbf4a916124″;s:12:”InterestList”;a:1:{i:0;i:1;}}