LAR_Maintenance/app/Models/Subscription.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class Subscription extends Model
{
    use HasFactory;

    protected $fillable = [
        'tier',
        'valid_to',
    ];

    protected $casts = [
        'valid_to' => 'datetime',
    ];
}