diff --git a/core/modules/rest/src/Plugin/Derivative/EntityDerivative.php b/core/modules/rest/src/Plugin/Derivative/EntityDerivative.php
index f80694f..ec15fa3 100644
--- a/core/modules/rest/src/Plugin/Derivative/EntityDerivative.php
+++ b/core/modules/rest/src/Plugin/Derivative/EntityDerivative.php
@@ -99,6 +99,9 @@ public function getDerivativeDefinitions($base_plugin_definition) {
           'id' => 'entity:' . $entity_type_id,
           'entity_type' => $entity_type_id,
           'serialization_class' => $entity_type->getClass(),
+          'serialization_context' => array(
+            'entity_type' => $entity_type->id(),
+          ),
           'label' => $entity_type->getLabel(),
         );
 
diff --git a/core/modules/rest/src/Plugin/rest/resource/EntityResource.php b/core/modules/rest/src/Plugin/rest/resource/EntityResource.php
index 7b3e49e..3d183cf 100644
--- a/core/modules/rest/src/Plugin/rest/resource/EntityResource.php
+++ b/core/modules/rest/src/Plugin/rest/resource/EntityResource.php
@@ -22,6 +22,9 @@
  *   id = "entity",
  *   label = @Translation("Entity"),
  *   serialization_class = "Drupal\Core\Entity\Entity",
+ *   serialization_context = {
+ *     "entity_type" = "entity"
+ *   },
  *   deriver = "Drupal\rest\Plugin\Derivative\EntityDerivative",
  *   uri_paths = {
  *     "canonical" = "/entity/{entity_type}/{entity}",
diff --git a/core/modules/rest/src/RequestHandler.php b/core/modules/rest/src/RequestHandler.php
index c31600d..d48fe03 100644
--- a/core/modules/rest/src/RequestHandler.php
+++ b/core/modules/rest/src/RequestHandler.php
@@ -60,8 +60,17 @@ public function handle(RouteMatchInterface $route_match, Request $request) {
       if (empty($method_settings['supported_formats']) || in_array($format, $method_settings['supported_formats'])) {
         $definition = $resource->getPluginDefinition();
         $class = $definition['serialization_class'];
+        $context = array();
+        // Get context information for deserialization from the plugin
+        // definition.
+        if (!empty($definition['serialization_context'])) {
+          $context = $definition['serialization_context'];
+        }
+        // Always add the resource ID to the deserialization context.
+        $context['resource_id'] = $plugin;
+        $context['request_method'] = $method;
         try {
-          $unserialized = $serializer->deserialize($received, $class, $format, array('request_method' => $method));
+          $unserialized = $serializer->deserialize($received, $class, $format, $context);
         }
         catch (UnexpectedValueException $e) {
           $error['error'] = $e->getMessage();