Couriier add order php

$body = array(
    array(
        'offerIdTarifs' => "FPP-CLASSIC",
        'pickupName' => get_bloginfo("name"),
        'pickupLatitude' => PICKUPLAT,
        'pickupLongitude' => PICKUPLNG,
        'pickupAddress' => PICKUPADRESSE,
        'pickupAddress2' => "",
        'pickupTel' => PICKUPTEL,
        'pickupZip' => PICKUPZIP,
        'pickupCity' => PICKUPCITY,
        'recipientName' => $order->get_formatted_shipping_full_name(),
        'recipientLatitude' => $recipientLatLng["lat"],
        'recipientLongitude' => $recipientLatLng["lng"],
        'recipientAddress' => $addresses["address_1"],
        'recipientAddress2' => $addresses["address_2"],
        'recipientTel' => $order->billing_phone,
        'recipientZip' => $addresses["postcode"],
        'recipientCity' => $addresses["city"],
        //'timeManagement' => "2015-04-24 00:00:00",
        'deliveryType' => "En main propre",
    )   
);

$body = json_encode( $body );

$url = COURIIER_WS.'/orders';

$args = array(
    'method'        => 'POST',
    'timeout'       => 45,
    'redirection'   => 5,
    'httpversion'   => '1.0',
    'blocking'      => true,
    'headers'       => array(
        'apikey' => COURIIER_API_KEY
    ),
    'body'          => array(
        'datas' => $body
    ),
    'cookies'       => array()
);

$response = wp_remote_post( $url, $args);