diff --git a/src/api.rs b/src/api.rs
index ecbd42e..8652e1e 100644
--- a/src/api.rs
+++ b/src/api.rs
@@ -1396,35 +1396,27 @@ pub fn update_process(
 }
 
 #[wasm_bindgen]
-pub fn request_data(process_id: String, state_ids: Vec<String>) -> ApiResult<ApiReturn> {
+pub fn request_data(process_id: String, state_ids: Vec<String>, roles: JsValue) -> ApiResult<ApiReturn> {
     let process_id = OutPoint::from_str(&process_id)?;
     let local_device = lock_local_device()?;
     let sender = local_device.to_member();
     let sp_wallet = local_device.get_wallet();
     let local_address = sp_wallet.get_client().get_receiving_address();
+    let roles: Vec<BTreeMap<String, RoleDefinition>> = serde_wasm_bindgen::from_value(roles)?;
 
     let mut send_to: HashSet<SilentPaymentAddress> = HashSet::new();
-    let processes = lock_processes()?;
-    let process = processes.get(&process_id).ok_or(ApiError::new("Unknown process".to_owned()))?;
-    for state_id in &state_ids {
-        if let Ok(state) = process.get_state_for_id(&state_id) {
-            let roles = &state.roles;
-            for (_, role_def) in roles {
-                let members = &role_def.members;
-                if !members.contains(&sender) {
-                    continue;
-                }
-                for member in members {
-                    for address in member.get_addresses() {
-                        if address == local_address { continue };
-                        send_to.insert(SilentPaymentAddress::try_from(address).unwrap());
-                    }
+    for role in roles {
+        for (_, role_def) in role {
+            let members = &role_def.members;
+            if !members.contains(&sender) {
+                continue;
+            }
+            for member in members {
+                for address in member.get_addresses() {
+                    if address == local_address { continue };
+                    send_to.insert(SilentPaymentAddress::try_from(address).unwrap());
                 }
             }
-        } else {
-            // Ignoring unknown state
-            log::error!("Unknown state");
-            continue;
         }
     }