diff --git a/tests/XMDS.http b/tests/XMDS.http
index fd906e970d..4a6208d8cc 100644
--- a/tests/XMDS.http
+++ b/tests/XMDS.http
@@ -16,6 +16,16 @@ Content-Type: application/xml
       <clientCode xsi:type="xsd:int">400</clientCode>
       <macAddress xsi:type="xsd:string">{{macAddress}}</macAddress>
       <licenceResult xsi:type="xsd:string">trial</licenceResult>
+      <xmrChannel xsi:type="xsd:string">XMR_test_channel</xmrChannel>
+      <xmrPubKey xsi:type="xsd:string">-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA8tUH0MqtiB7Hq7a+Au0v
+3MHFDnlwBmSz9S+44dGir0d119pbZQKb1D5JaGTWsBq0Ca4yAW/XtDwL5Olbue8n
+y2PBygUArJulUQdCeguAKmHCcRw6rce0ZsQymUe84dclf9l7yyCbo1VTDBH651UT
+a/ei6ATBPeLhh98lDKDpz/RmsXuW695thxhTRXPIILDDKYkK5yQF2DNEgVoShFjG
+TRys5AL2ZUrGHrrT5dxOfbNE0sU8qvoYVQIjyUVhANzh66bu8QTbjDcRLMiKE1lJ
+l5U/XOnNkKi+qNimFWRKlNS0sOvPdTJHHZZEaoFa2FXGYGL8/XAidwT6YSY702Gb
+8wIDAQAB
+-----END PUBLIC KEY-----</xmrPubKey>
     </tns:RegisterDisplay>
   </soap:Body>
 </soap:Envelope>
diff --git a/tests/Xmr/playerSub.php b/tests/Xmr/playerSub.php
new file mode 100644
index 0000000000..d29b939543
--- /dev/null
+++ b/tests/Xmr/playerSub.php
@@ -0,0 +1,74 @@
+<?php
+/*
+ * Copyright (C) 2023 Xibo Signage Ltd
+ *
+ * Xibo - Digital Signage - https://xibosignage.com
+ *
+ * This file is part of Xibo.
+ *
+ * Xibo is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * Xibo is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Xibo.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+// This is a simple XMR client which connects to the display added in XMDS.http
+// performing actions in the CMS which affect the display should be logged here.
+
+define('PROJECT_ROOT', realpath(__DIR__ . '/../..'));
+
+require PROJECT_ROOT . '/vendor/autoload.php';
+
+// RSA key
+$fp = fopen(PROJECT_ROOT . '/library/certs/private.key', 'r');
+$privateKey = openssl_get_privatekey(fread($fp, 8192));
+fclose($fp);
+
+// Sub
+$loop = React\EventLoop\Factory::create();
+
+$context = new React\ZMQ\Context($loop);
+
+$sub = $context->getSocket(ZMQ::SOCKET_SUB);
+$sub->connect('tcp://xmr:9505');
+$sub->subscribe('H');
+$sub->subscribe('XMR_test_channel');
+
+$sub->on('messages', function ($msg) use ($privateKey) {
+    try {
+        if ($msg[0] == 'H') {
+            echo '[' . date('Y-m-d H:i:s') . '] Heartbeat...' . PHP_EOL;
+            return;
+        }
+
+        // Expect messages to have a length of 3
+        if (count($msg) != 3) {
+            throw new InvalidArgumentException('Incorrect Message Length');
+        }
+
+        // Message will be: channel, key, message
+        if ($msg[0] != 'XMR_test_channel') {
+            throw new InvalidArgumentException('Channel does not match');
+        }
+
+        // Decrypt
+        $output = null;
+        openssl_open(base64_decode($msg[2]), $output, base64_decode($msg[1]), $privateKey, 'RC4');
+
+        echo '[' . date('Y-m-d H:i:s') . '] Received: ' . $output . PHP_EOL;
+    } catch (InvalidArgumentException $e) {
+        echo '[' . date('Y-m-d H:i:s') . '] E: ' . $e->getMessage() . PHP_EOL;
+    }
+});
+
+$loop->run();
+
+openssl_free_key($privateKey);
\ No newline at end of file