boursecu_server/app/Models/Cnt.php

<?php

namespace App\Models;

use App\Http\Controllers\Controller;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\Http;

class Cnt extends Model
{
    use HasFactory;
    protected $table = 'const';
    protected $fillable = [
        'key',
        'title_fa',
        'value',
        'value_json'
    ];
    protected $casts = [
        'value_json'=>'array'
    ];
}