ajuda POST em meu site

eai pessoal,preciso enviar

isso:

BODY

{
"esquema": 3,
"atleta": [
37788,
71116,
39152,
50427,
87225,
62009,
81682,
87863,
78435,
68930,
90651,
62136
]
}
em post para essa url /?p=auth/time/salvar&token=<token>

tentei fazer asim mas n deu:

<?php

/////////////////////////LOGIN\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

$email = $_POST['email'];
$senha = $_POST['senha'];

 $jsonurl = "[http://cartolaboladao.16mb.com/api/?p=login&login=".$email."&password=".$senha;](http://cartolaboladao.16mb.com/api/?p=login&login=)

 //Retorna o conteudo do arquivo em formato de string
 $json = file_get_contents($jsonurl,0,null,null);

 //Decodificando a string e criando o json
 $json_output = json_decode($json);

 $token = $json_output->glbId;

/////////////////////////////////////////////////////////////////////////

$url = "http://cartolaboladao.16mb.com/api/?p=auth/time/salvar&token=".$token;

$data = '{
"esquema": 3,
"atleta": [
37788,
71116,
39152,
50427,
87225,
62009,
81682,
87863,
78435,
68930,
90651,
62136
]
}';

// use key 'http' even if you send the request to https://...

$options = array(

 'http' => array(
 'header' => "Content-type: application/x-www-form-urlencoded\r\n",
 'method' => 'POST',
 'content' => http_build_query($data)
 )

);

var_dump ($options);
$context = stream_context_create($options);
$result = file_get_contents($url, false, $context);

if ($result === FALSE) { / Handle error / }

var_dump($result);

if(is_callable('curl_init')){

 echo "Enabled";
}

else
{

 echo "Not enabled";
}

?>