This is bottos's message pack special for php developers
<?php
require 'common.php';
$from = "bottos";
$to = "bottos-test-01";
$price = bcmul("1032321.83111", "100000000");
$paramPack = getParamPack($from, $to, $price);
var_dump($paramPack);
//string(128) "dc0003da0006626f74746f73da000e626f74746f732d746573742d3031c5002000000000000000000000000000000000000000000000000000005de39d9a8d58"