diff --git a/sube/examples/pallet_communities.rs b/sube/examples/pallet_communities.rs
index 2630016..4874e8c 100644
--- a/sube/examples/pallet_communities.rs
+++ b/sube/examples/pallet_communities.rs
@@ -1,11 +1,23 @@
 use env_logger;
+use futures_util::future::join_all;
 use serde_json;
 use sube::{sube, ExtrinsicBody, Response, Result, SubeBuilder};
 
+
 #[async_std::main]
 async fn main() -> Result<()> {
     env_logger::init();
 
+    let response = sube!("wss://kreivo.io/communityMemberships/account/0xe25b1e3758a5fbedb956b36113252f9e866d3ece688364cc9d34eb01f4b2125d/2").await.expect("to work");
+
+    if let Response::ValueSet(value) = response {
+        let data = serde_json::to_value(&value).expect("to be serializable");
+        println!(
+            "Collection Array {}",
+            serde_json::to_string_pretty(&data).expect("it must return an str")
+        );
+    }
+
     let response = sube!("ws://127.0.0.1:12281/communityMemberships/collection").await?;
 
     if let Response::ValueSet(value) = response {
diff --git a/sube/src/lib.rs b/sube/src/lib.rs
index b4a0b67..3b69f8c 100644
--- a/sube/src/lib.rs
+++ b/sube/src/lib.rs
@@ -388,7 +388,7 @@ pub trait Backend {
 
     async fn get_storage_item(&self, key: RawKey, block: Option<u32>) -> crate::Result<RawValue> {
         let res = self.get_storage_items(vec![key], block).await?;
-
+        log::info!("before it died");
         res.into_iter()
             .next()
             .map(|(_, v)| v)
diff --git a/sube/src/rpc.rs b/sube/src/rpc.rs
index a84facc..0e87874 100644
--- a/sube/src/rpc.rs
+++ b/sube/src/rpc.rs
@@ -6,7 +6,7 @@ use serde::Deserialize;
 use crate::meta::{self, Metadata};
 use crate::Backend;
 use crate::Error;
-use crate::{prelude::*, RawKey, StorageChangeSet};
+use crate::{prelude::*, RawKey as RawStorageKey, StorageChangeSet};
 use meta::from_bytes;
 
 pub type RpcResult<T> = Result<T, error::Error>;
@@ -32,7 +32,7 @@ pub struct RpcClient<R>(pub R);
 impl<R: Rpc> Backend for RpcClient<R> {
     async fn get_storage_items(
         &self,
-        keys: Vec<RawKey>,
+        keys: Vec<RawStorageKey>,
         block: Option<u32>,
     ) -> crate::Result<impl Iterator<Item = (Vec<u8>, Vec<u8>)>> {
         let keys = serde_json::to_string(
@@ -54,7 +54,6 @@ impl<R: Rpc> Backend for RpcClient<R> {
             vec![keys]
         };
 
-
         let result = self
             .0
             .rpc::<Vec<StorageChangeSet>>(
@@ -71,28 +70,31 @@ impl<R: Rpc> Backend for RpcClient<R> {
                 crate::Error::StorageKeyNotFound
             })?;
 
-        if let Some(change_set) = result.into_iter().next() {
-            let keys_response = change_set.changes.into_iter().map(|[k, v]| {
-                log::info!("key: {} value: {}", k, v);
-
-                (
-                    hex::decode(&k[2..]).expect("to be an hex"),
-                    hex::decode(&v[2..]).expect("to be an hex"),
-                )
-            });
+        let result = match result.into_iter().next() {
+            None => vec![],
+            Some(change_set) => change_set
+                .changes
+                .into_iter()
+                .map(|[k, v]| {
+                    log::info!("key: {} value: {}", k, v);
+
+                    (
+                        hex::decode(&k[2..]).expect("to be an hex"),
+                        hex::decode(&v[2..]).expect("to be an hex"),
+                    )
+                })
+                .collect(),
+        };
 
-            Ok(keys_response)
-        } else {
-            Err(crate::Error::StorageKeyNotFound)
-        }
+        Ok(result.into_iter())
     }
 
     async fn get_keys_paged(
         &self,
-        from: RawKey,
+        from: RawStorageKey,
         size: u16,
-        to: Option<RawKey>,
-    ) -> crate::Result<Vec<RawKey>> {
+        to: Option<RawStorageKey>,
+    ) -> crate::Result<Vec<RawStorageKey>> {
         let result: Vec<String> = self
             .0
             .rpc(