diff --git a/src/main.rs b/src/main.rs
index b992bf0..e6da598 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -3,6 +3,7 @@ include!("macros.rs");
 pub mod config;
 pub mod error;
 pub mod globals;
+pub mod reply;
 pub mod store;
 pub mod tls;
 pub mod types;
diff --git a/src/reply.rs b/src/reply.rs
new file mode 100644
index 0000000..45dda57
--- /dev/null
+++ b/src/reply.rs
@@ -0,0 +1,28 @@
+use crate::types::{Event, Id};
+use std::fmt;
+
+pub enum NostrReply<'a> {
+    Event(&'a str, Event<'a>),
+    Ok(Id, bool, String),
+    Eose(&'a str),
+    Closed(&'a str, String),
+    Notice(String),
+}
+
+impl NostrReply<'_> {
+    pub fn as_json(&self) -> String {
+        match self {
+            NostrReply::Event(subid, event) => format!(r#"["EVENT", "{subid}", {}]"#, event),
+            NostrReply::Ok(id, ok, msg) => format!(r#"["OK","{id}",{ok},"{msg}"]"#),
+            NostrReply::Eose(subid) => format!(r#"["EOSE","{subid}"]"#),
+            NostrReply::Closed(subid, msg) => format!(r#"["CLOSED","{subid}","{msg}"]"#),
+            NostrReply::Notice(msg) => format!(r#"["NOTICE","{msg}"]"#),
+        }
+    }
+}
+
+impl fmt::Display for NostrReply<'_> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "{}", self.as_json())
+    }
+}