JSON message about the control block parameters of a specific section.
{ "ControlBlock": { "sectionNo": , /*required, integer, section No.*/ "KeyA": "", /*optional, string type, a hexadecimal key A password*/ "KeyB": "", /*optional, string type, a hexadecimal key B password*/ "controlBits":"" /*optional, string type, a hexadecimal control bit*/ } }