Mensagem HUB (Arquivos)

<?php

$curl = curl_init();

curl_setopt_array($curl, array(
  CURLOPT_URL => 'https://{BACKEND_URL}/api/messages/official/sendMediaByURL',
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => '',
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 0,
  CURLOPT_FOLLOWLOCATION => true,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => 'POST',
  CURLOPT_POSTFIELDS =>'{
"number": "5511989091838",
"type": "image/jpeg",
"fileName": "algumacoisa.jpeg",
"caption": "TESTE",
"body": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSdmvV9vTwsPMnCujYP9XCfSbyzsUnHFRPpug&s"
}',
  CURLOPT_HTTPHEADER => array(
    'Content-Type: application/json',
    'Authorization: Bearer tokenmeu'
  ),
));

$response = curl_exec($curl);

curl_close($curl);
echo $response;