diff --git a/src/activity_pub/actor.rs b/src/activity_pub/actor.rs
index e7beb8ee..c505840c 100644
--- a/src/activity_pub/actor.rs
+++ b/src/activity_pub/actor.rs
@@ -1,6 +1,6 @@
 use diesel::PgConnection;
-use serde_json::Value;
 
+use activity_pub::{activity, Activity, context};
 use models::instance::Instance;
 
 pub enum ActorType {
@@ -26,29 +26,9 @@ pub trait Actor {
 
     fn get_actor_type() -> ActorType;
 
-    fn as_activity_pub (&self, conn: &PgConnection) -> Value {
-        json!({
-            "@context": [
-                "https://www.w3.org/ns/activitystreams",
-                "https://w3id.org/security/v1",
-                {
-                    "manuallyApprovesFollowers": "as:manuallyApprovesFollowers",
-                    "sensitive": "as:sensitive",
-                    "movedTo": "as:movedTo",
-                    "Hashtag": "as:Hashtag",
-                    "ostatus":"http://ostatus.org#",
-                    "atomUri":"ostatus:atomUri",
-                    "inReplyToAtomUri":"ostatus:inReplyToAtomUri",
-                    "conversation":"ostatus:conversation",
-                    "toot":"http://joinmastodon.org/ns#",
-                    "Emoji":"toot:Emoji",
-                    "focalPoint": {
-                        "@container":"@list",
-                        "@id":"toot:focalPoint"
-                    },
-                    "featured":"toot:featured"
-                }
-            ],
+    fn as_activity_pub (&self, conn: &PgConnection) -> Activity {
+        activity(json!({
+            "@context": context(),
             "id": self.compute_id(conn),
             "type": Self::get_actor_type().to_string(),
             "inbox": self.compute_inbox(conn),
@@ -60,7 +40,7 @@ pub trait Actor {
             "endpoints": {
                 "sharedInbox": "https://plu.me/inbox"
             }
-        })
+        }))
     }
 
     fn compute_outbox(&self, conn: &PgConnection) -> String {
diff --git a/src/activity_pub/mod.rs b/src/activity_pub/mod.rs
index f5f42555..f22cc282 100644
--- a/src/activity_pub/mod.rs
+++ b/src/activity_pub/mod.rs
@@ -1,2 +1,37 @@
+use rocket::http::ContentType;
+use rocket::response::Content;
+use rocket_contrib::Json;
+use serde_json;
+
 pub mod actor;
 pub mod webfinger;
+
+pub type Activity = Content<Json>;
+
+pub fn context() -> serde_json::Value {
+    json!([
+        "https://www.w3.org/ns/activitystreams",
+        "https://w3id.org/security/v1",
+        {
+            "manuallyApprovesFollowers": "as:manuallyApprovesFollowers",
+            "sensitive": "as:sensitive",
+            "movedTo": "as:movedTo",
+            "Hashtag": "as:Hashtag",
+            "ostatus":"http://ostatus.org#",
+            "atomUri":"ostatus:atomUri",
+            "inReplyToAtomUri":"ostatus:inReplyToAtomUri",
+            "conversation":"ostatus:conversation",
+            "toot":"http://joinmastodon.org/ns#",
+            "Emoji":"toot:Emoji",
+            "focalPoint": {
+                "@container":"@list",
+                "@id":"toot:focalPoint"
+            },
+            "featured":"toot:featured"
+        }
+    ])
+}
+
+pub fn activity(json: serde_json::Value) -> Activity {
+    Content(ContentType::new("application", "activity+json"), Json(json))
+}
diff --git a/src/main.rs b/src/main.rs
index e7bdb638..1cd228b7 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -61,7 +61,7 @@ fn main() {
 
             routes::user::me,
             routes::user::details,
-            routes::user::activity,
+            routes::user::activity_details,
             routes::user::new,
             routes::user::create,
 
@@ -70,7 +70,7 @@ fn main() {
             routes::session::delete,
 
             routes::blogs::details,
-            routes::blogs::activity,            
+            routes::blogs::activity_details,            
             routes::blogs::new,
             routes::blogs::create,
 
diff --git a/src/routes/blogs.rs b/src/routes/blogs.rs
index 4c78be74..2059939d 100644
--- a/src/routes/blogs.rs
+++ b/src/routes/blogs.rs
@@ -1,8 +1,9 @@
 use rocket::request::Form;
 use rocket::response::Redirect;
-use rocket_contrib::{Json, Template};
+use rocket_contrib::Template;
 use std::collections::HashMap;
 
+use activity_pub::Activity;
 use activity_pub::actor::Actor;
 use db_conn::DbConn;
 use models::blog_authors::*;
@@ -17,9 +18,9 @@ fn details(name: String) -> String {
 }
 
 #[get("/~/<name>", format = "application/activity+json", rank = 1)]
-fn activity(name: String, conn: DbConn) -> Json {
+fn activity_details(name: String, conn: DbConn) -> Activity {
     let blog = Blog::find_by_actor_id(&*conn, name).unwrap();
-    Json(blog.as_activity_pub(&*conn))
+    blog.as_activity_pub(&*conn)
 }
 
 #[get("/blogs/new")]
diff --git a/src/routes/user.rs b/src/routes/user.rs
index dc01cb7f..8e1f192f 100644
--- a/src/routes/user.rs
+++ b/src/routes/user.rs
@@ -1,8 +1,9 @@
 use rocket::request::Form;
 use rocket::response::Redirect;
-use rocket_contrib::{Json, Template};
+use rocket_contrib::Template;
 use std::collections::HashMap;
 
+use activity_pub::Activity;
 use activity_pub::actor::Actor;
 use db_conn::DbConn;
 use models::instance::Instance;
@@ -19,9 +20,9 @@ fn details(name: String) -> String {
 }
 
 #[get("/@/<name>", format = "application/activity+json", rank = 1)]
-fn activity(name: String, conn: DbConn) -> Json {
+fn activity_details(name: String, conn: DbConn) -> Activity {
     let user = User::find_by_name(&*conn, name).unwrap();
-    Json(user.as_activity_pub(&*conn))
+    user.as_activity_pub(&*conn)
 }
 
 #[get("/users/new")]