diff --git a/app/Http/Controllers/V2/Terrafund/TerrafundClipGeometryController.php b/app/Http/Controllers/V2/Terrafund/TerrafundClipGeometryController.php
index 29479021..3408bf0c 100644
--- a/app/Http/Controllers/V2/Terrafund/TerrafundClipGeometryController.php
+++ b/app/Http/Controllers/V2/Terrafund/TerrafundClipGeometryController.php
@@ -29,11 +29,11 @@ public function clipOverlappingPolygonsBySite(string $uuid)
         $delayedJob = DelayedJobProgress::create([
             'processed_content' => 0,
             'created_by' => $user->id,
-            'metadata' => json_encode([
+            'metadata' => [
                 'entity_id' => $site->id,
                 'entity_type' => get_class($site),
                 'entity_name' => $site->name,
-            ]),
+            ],
             'is_acknowledged' => false,
             'name' => 'Polygon Fix',
         ]);
@@ -89,11 +89,11 @@ public function clipOverlappingPolygonsOfProjectBySite(string $uuid)
 
         $delayedJob = DelayedJobProgress::create([
             'processed_content' => 0,
-            'metadata' => json_encode([
+            'metadata' => [
               'entity_id' => $site->id,
               'entity_type' => get_class($site),
               'entity_name' => $site->name,
-          ]),
+          ],
             'created_by' => $user->id,
             'is_acknowledged' => false,
             'name' => 'Polygon Fix',
@@ -152,11 +152,11 @@ public function clipOverlappingPolygons(Request $request)
             $user = Auth::user();
             $delayedJob = DelayedJobProgress::create([
                 'processed_content' => 0,
-                'metadata' => json_encode([
+                'metadata' => [
                   'entity_id' => $entity->id,
                   'entity_type' => get_class($entity),
                   'entity_name' => $entity->name,
-                ]),
+                ],
                 'created_by' => $user->id,
                 'is_acknowledged' => false,
                 'name' => 'Polygon Fix',
diff --git a/app/Http/Controllers/V2/Terrafund/TerrafundCreateGeometryController.php b/app/Http/Controllers/V2/Terrafund/TerrafundCreateGeometryController.php
index 2a32b3e2..a3b4bf6d 100755
--- a/app/Http/Controllers/V2/Terrafund/TerrafundCreateGeometryController.php
+++ b/app/Http/Controllers/V2/Terrafund/TerrafundCreateGeometryController.php
@@ -242,11 +242,11 @@ function ($attribute, $value, $fail) {
         Redis::set($redis_key, $geojsonContent, 'EX', 7200);
         $delayedJob = DelayedJob::create([
           'created_by' => $user->id,
-          'metadata' => json_encode([
+          'metadata' => [
             'entity_id' => $entity->id,
             'entity_type' => get_class($entity),
             'entity_name' => $entity->name,
-          ]),
+          ],
           'is_acknowledged' => false,
           'name' => 'Polygon Upload',
         ]);
@@ -413,11 +413,11 @@ public function uploadShapefile(Request $request)
                 Redis::set($redis_key, $geojsonContent, 'EX', 7200);
                 $delayedJob = DelayedJob::create([
                   'created_by' => $user->id,
-                  'metadata' => json_encode([
+                  'metadata' => [
                     'entity_id' => $entity->id,
                     'entity_type' => get_class($entity),
                     'entity_name' => $entity->name,
-                  ]),
+                  ],
                   'is_acknowledged' => false,
                   'name' => 'Polygon Upload',
                 ]);
@@ -644,11 +644,11 @@ public function uploadGeoJSONFile(Request $request)
         Redis::set($redis_key, $geojson_content, 'EX', 7200);
         $delayedJob = DelayedJob::create([
           'created_by' => $user->id,
-          'metadata' => json_encode([
+          'metadata' => [
             'entity_id' => $entity->id,
             'entity_type' => get_class($entity),
             'entity_name' => $entity->name,
-          ]),
+          ],
           'is_acknowledged' => false,
           'name' => 'Polygon Upload',
         ]);
@@ -1260,11 +1260,11 @@ public function runSiteValidationPolygon(Request $request)
               'total_content' => count($sitePolygonsUuids),
               'processed_content' => 0,
               'created_by' => $user->id,
-              'metadata' => json_encode([
+              'metadata' => [
                 'entity_id' => $entity->id,
                 'entity_type' => get_class($entity),
                 'entity_name' => $entity->name,
-              ]),
+              ],
               'is_acknowledged' => false,
               'name' => 'Polygon Validation',
           ]);
@@ -1293,11 +1293,11 @@ public function runPolygonsValidation(Request $request)
                 'total_content' => count($uuids),
                 'processed_content' => 0,
                 'created_by' => $user->id,
-                'metadata' => json_encode([
+                'metadata' => [
                   'entity_id' => $entity->id,
                   'entity_type' => get_class($entity),
                   'entity_name' => $entity->name,
-                ]),
+                ],
                 'is_acknowledged' => false,
                 'name' => 'Polygon Validation',
             ]);
diff --git a/app/Jobs/FixPolygonOverlapJob.php b/app/Jobs/FixPolygonOverlapJob.php
index 61c66192..ab1e2f23 100644
--- a/app/Jobs/FixPolygonOverlapJob.php
+++ b/app/Jobs/FixPolygonOverlapJob.php
@@ -69,7 +69,7 @@ public function handle(): void
         try {
             $delayedJob = DelayedJobProgress::findOrFail($this->delayed_job_id);
             $user = Auth::user();
-            $metadata = json_decode($delayedJob->metadata, true);
+            $metadata = $delayedJob->metadata;
             $entityId = $metadata['entity_id'] ?? null;
             $site = Site::findOrFail($entityId);
             $userForMail = $delayedJob->creator;
diff --git a/app/Jobs/InsertGeojsonToDBJob.php b/app/Jobs/InsertGeojsonToDBJob.php
index a17747d9..8809163e 100755
--- a/app/Jobs/InsertGeojsonToDBJob.php
+++ b/app/Jobs/InsertGeojsonToDBJob.php
@@ -55,7 +55,7 @@ public function handle(PolygonService $service)
     {
         $delayedJob = DelayedJob::findOrFail($this->delayed_job_id);
         $user = $delayedJob->creator;
-        $metadata = json_decode($delayedJob->metadata, true);
+        $metadata = $delayedJob->metadata;
         $entityId = $metadata['entity_id'] ?? null;
 
         $site = Site::findOrFail($entityId);
diff --git a/app/Jobs/RunSitePolygonsValidationJob.php b/app/Jobs/RunSitePolygonsValidationJob.php
index edf8c0c9..bcd1b43a 100644
--- a/app/Jobs/RunSitePolygonsValidationJob.php
+++ b/app/Jobs/RunSitePolygonsValidationJob.php
@@ -54,10 +54,15 @@ public function handle(PolygonValidationService $validationService)
         try {
             $delayedJob = DelayedJobProgress::findOrFail($this->delayed_job_id);
             $user = $delayedJob->creator;
-            $metadata = json_decode($delayedJob->metadata, true);
+            $metadata = $delayedJob->metadata;
+
             $entityId = $metadata['entity_id'] ?? null;
 
-            $site = Site::findOrFail($entityId);
+            if ($entityId) {
+                $site = Site::findOrFail($entityId);
+            } else {
+                Log::error('entityId is null, unable to find site');
+            }
 
             if (! $site) {
                 throw new Exception('Site not found for the given site UUID.');
diff --git a/app/Models/DelayedJob.php b/app/Models/DelayedJob.php
index b0614794..ca69dbfd 100644
--- a/app/Models/DelayedJob.php
+++ b/app/Models/DelayedJob.php
@@ -22,6 +22,7 @@ class DelayedJob extends Model
 
     protected $casts = [
         'uuid' => 'string',
+        'metadata' => 'array',
     ];
 
     public function creator()