diff --git a/src/objects.rs b/src/objects.rs
index 65cdef7..9be947c 100644
--- a/src/objects.rs
+++ b/src/objects.rs
@@ -897,6 +897,52 @@ pub struct MessageEntity {
     pub custom_emoji_id: Option<String>,
 }
 
+#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+#[serde(tag = "type", rename_all = "snake_case")]
+pub enum MessageOrigin {
+    User(MessageOriginUser),
+    HiddenUser(MessageOriginHiddenUser),
+    Chat(MessageOriginChat),
+    Channel(MessageOriginChannel),
+}
+
+#[derive(Builder, Clone, Debug, Serialize, Deserialize, PartialEq)]
+pub struct MessageOriginUser {
+    pub date: u64,
+    pub sender_user: User,
+}
+
+#[derive(Builder, Clone, Debug, Serialize, Deserialize, PartialEq)]
+pub struct MessageOriginHiddenUser {
+    pub date: u64,
+    #[builder(setter(into))]
+    pub sender_user_name: String,
+}
+
+#[derive(Builder, Clone, Debug, Serialize, Deserialize, PartialEq)]
+pub struct MessageOriginChat {
+    pub date: u64,
+
+    pub sender_chat: Chat,
+
+    #[serde(skip_serializing_if = "Option::is_none")]
+    #[builder(setter(into, strip_option), default)]
+    pub author_signature: Option<String>,
+}
+
+#[derive(Builder, Clone, Debug, Serialize, Deserialize, PartialEq)]
+pub struct MessageOriginChannel {
+    pub date: u64,
+
+    pub chat: Chat,
+
+    pub message_id: i32,
+
+    #[serde(skip_serializing_if = "Option::is_none")]
+    #[builder(setter(into, strip_option), default)]
+    pub author_signature: Option<String>,
+}
+
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq, Builder)]
 pub struct PhotoSize {
     #[builder(setter(into))]