diff --git a/kiri-actor/ActorMessage.php b/kiri-actor/ActorMessage.php
new file mode 100644
index 00000000..700570ed
--- /dev/null
+++ b/kiri-actor/ActorMessage.php
@@ -0,0 +1,74 @@
+<?php
+
+namespace Kiri\Actor;
+
+class ActorMessage implements \JsonSerializable
+{
+
+	/**
+	 * @var int
+	 */
+	private int $userId;
+
+
+	/**
+	 * @var string
+	 */
+	private string $event;
+
+
+	/**
+	 * @var array
+	 */
+	private array $body;
+
+	/**
+	 * @param int $userId
+	 * @param string $event
+	 * @param array $body
+	 */
+	public function __construct(int $userId, string $event, array $body)
+	{
+		$this->userId = $userId;
+		$this->event = $event;
+		$this->body = $body;
+	}
+
+	/**
+	 * @return int
+	 */
+	public function getUserId(): int
+	{
+		return $this->userId;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getEvent(): string
+	{
+		return $this->event;
+	}
+
+	/**
+	 * @return array
+	 */
+	public function getBody(): array
+	{
+		return $this->body;
+	}
+
+
+	/**
+	 * @return array
+	 */
+	public function jsonSerialize(): array
+	{
+		return [
+			'userId' => $this->userId,
+			'event'  => $this->event,
+			'body'   => $this->body
+		];
+	}
+
+}