parking_manage_system/app/Models/AdminConfigs.php

<?php

namespace App\Models;

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

class AdminConfigs extends Model
{
    use HasFactory, SoftDeletes;

    protected $fillable = [
        'content'
    ];

    protected $hidden = [
        'deleted_at',
        'updated_at'
    ];

    protected $casts = [
        'content' => 'json'
    ];
}