safekat/ci4/app/Entities/Usuarios/GroupsUsersEntity.php

<?php
namespace App\Entities\Usuarios;

use CodeIgniter\Entity;

class GroupsUsersEntity extends \CodeIgniter\Entity\Entity
{
    protected $attributes = [
        "id" => null,
        "user_id" => null,
        "group" => null,
        "created_at" => null
    ];
    protected $casts = [

    ];
}