I run a print_r command on $_POST and I am getting the following response:
s:1289:"Array
(
[id_master] => 12
[id_controller] => 4
[JSON] => {"uuid":"i~b1dad2c95c3efdc8521c84cd2891084289b9754b","relsno":102}
)";
Any idea what the s:1289: is?