Implementation of areafix processing, first subscribe/unsubscribe with scan

app/Models/AddressEchoarea.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Relations\Pivot;
+
+class AddressEchoarea extends Pivot
+{
+	protected $casts = [
+		'subscribed' => 'datetime:Y-m-d H:i',
+	];
+}