Revise paste Como Publicar Desde Laravel a Discord (PHP Puro)

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

class EnviarDiscordController extends Controller
{
    
    public function enviar() {

$registro = "Torta de Chocolate";

$url_webhook = "TU-WEBHOOK-URL-DISCORD";

$fechayhora = date("c", strtotime("now"));

$datos_json = json_encode(
            [
                "content" => "Esto es un Contenido",

"username" => "Nube Colectiva",

"avatar_url" => "https://nubecolectiva.com/img/logo.png",

"embeds" => [

[

"title" => $registro,

"type" => "rich",

"description" => "Esta es una descripción",

"url" => "https://nubecolectiva.com/",

"timestamp" => $fechayhora,

"thumbnail" => [
                            "url" => "https://blog.nubecolectiva.com/wp-content/uploads/2022/03/edit_jimg_destacada_blog_devs-530x353.png"
                        ],

"image" => [
                            "url" => "https://blog.nubecolectiva.com/wp-content/uploads/2022/03/edit_jimg_destacada_blog_devs-530x353.png"
                        ],

"author" => [

"name" => "Nube Colectiva",
                            "url" => "https://nubecolectiva.com/"

]

], JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE );

$curl = curl_init($url_webhook); 
            curl_setopt( $curl, CURLOPT_HTTPHEADER, array('Content-type: application/json'));
            curl_setopt( $curl, CURLOPT_POST, 1);
            curl_setopt( $curl, CURLOPT_POSTFIELDS, $datos_json);
            curl_setopt( $curl, CURLOPT_FOLLOWLOCATION, 1);
            curl_setopt( $curl, CURLOPT_HEADER, 0);
            curl_setopt( $curl, CURLOPT_RETURNTRANSFER, 1);

$respuesta = curl_exec($curl);

curl_close($curl);

}