moell-blog/app/Models/ArticleTag.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Prettus\Repository\Contracts\Transformable;
use Prettus\Repository\Traits\TransformableTrait;

class ArticleTag extends Model implements Transformable
{
    use TransformableTrait;

    protected $fillable = ['article_id', 'tag_id'];

    public $timestamps = false;

}