Rappresentation form-params in Body Request Third Api

Hi all, they gave me some third party api as in the next example:

/endpoints/{id} method 'PATCH'

Request Body:

{
  "id": 0,
  "Environment": {
    "timestampAST": "2020-09-14T07:23:52.825Z",
    "content": "string"
  },
  "lastCommEPT": "2020-09-14T07:23:52.825Z",
  "lastCommAST": "2020-09-14T07:23:52.825Z",
  "firstSeenAST": "2020-09-14T07:23:52.825Z",
  "status": "ONLINE",
  "isCritical": true,
  "endpointType": "MPA",
  "queueName": "string",
  "hostname": "string",
  "installationSite": {
    "id": 0,
    "name": "string",
    "customerId": 0
  },
  "firstHash": "string"
}

in laravel i have this:

Class Endpoint

namespace App\Util;

use GuzzleHttp\Client;


class Endpoint
{


    protected $client;

    public function __construct(Client $client)
    {
        $this->client = $client;
    }

    public function patchEndpointsId($id)
    {
        return $this->endpointPatchRequest('/endpoints/'.$id, $id);
    }

    public function endpointPatchRequest($url, $id)
    {
            try {
                $request = $this->client->request('PATCH',$url, [
                    'body' => [
                        "id" => $id,
                          "Environment"=> [
                            "timestampAST" => "2020-09-11T15:11:54.508Z",
                            "content" => "string"
                          ],
                          "lastCommEPT"=> "2020-09-11T15:11:54.508Z",
                          "lastCommAST"=> "2020-09-11T15:11:54.508Z",
                          "firstSeenAST"=> "2020-09-11T15:11:54.508Z",
                          "status"=> "ONLINE",
                          "isCritical"=> true,
                          "endpointType"=> "MPA",
                          "queueName"=> "string",
                          "hostname"=> "string",
                          "installationSite"=> [
                                "id"=> 0,
                                "name"=> "string",
                                "customerId"=> 0
                            ],
                        "firstHash"=> "string"
                    ],
                    'headers' => ['Content-Type' => 'application/json']
                ]);
            } catch (\Exception $e) {
                return [];
            }

        return $this->response_handler($request->getBody()->getContents());
    }

    public function response_handler($response)
    {
        if ($response) {
            return json_decode($response);
        }

        return [];
    }
}

EndpointsController:

namespace App\Http\Controllers\API;

use App\Http\Controllers\Controller;
use App\Util\Endpoint;
use Illuminate\Http\Request;

class EndpointsController extends Controller
{

    protected $endpoints;

    public function __construct(Endpoint $endpoints)
    {
        $this->endpoints = $endpoints;
    }
    public function patchEndpointsId($id)
    {
        $endpoint = $this->endpoints->patchEndpointsId($id);
        return json_encode($endpoint);
    }

is correct the syntax of how I pass the body request into the API?

thank you very much for help already