diff --git a/LeStorage/Codables/GetSyncData.swift b/LeStorage/Codables/GetSyncData.swift
index bd8882e..3c6999b 100644
--- a/LeStorage/Codables/GetSyncData.swift
+++ b/LeStorage/Codables/GetSyncData.swift
@@ -10,13 +10,19 @@ import Foundation
 class GetSyncData: SyncedModelObject, SyncedStorable, URLParameterConvertible {
     
     var date: String = ""
-    
+
+    enum CodingKeys: String, CodingKey {
+        case date
+    }
+
     override required init() {
         super.init()
     }
     
     required public init(from decoder: Decoder) throws {
-        fatalError("init(from:) has not been implemented")
+        let container = try decoder.container(keyedBy: CodingKeys.self)
+        date = try container.decode(String.self, forKey: .date)
+        try super.init(from: decoder)
     }
     
     static func tokenExemptedMethods() -> [HTTPMethod] { return [] }
diff --git a/LeStorage/Codables/Log.swift b/LeStorage/Codables/Log.swift
index ab9f2a7..665bb18 100644
--- a/LeStorage/Codables/Log.swift
+++ b/LeStorage/Codables/Log.swift
@@ -30,6 +30,7 @@ class Log: SyncedModelObject, SyncedStorable {
     }
     
     // MARK: - Codable
+    
     enum CodingKeys: String, CodingKey {
         case id
         case date
diff --git a/LeStorage/StoreCenter.swift b/LeStorage/StoreCenter.swift
index 5c77c9a..52096aa 100644
--- a/LeStorage/StoreCenter.swift
+++ b/LeStorage/StoreCenter.swift
@@ -640,6 +640,8 @@ public class StoreCenter {
         self._syncAddOrUpdate(syncData.sharedRelationshipSets)
         self._syncRevoke(syncData.sharedRelationshipRemovals)
 
+        Logger.log("sync content: updates = \(syncData.updates.count) / deletions = \(syncData.deletions.count), grants = \(syncData.grants.count)")
+        
         if let dateString = syncData.date {
             Logger.log("Sets sync date = \(dateString)")
             self._settingsStorage.update { settings in
@@ -1028,8 +1030,8 @@ public class StoreCenter {
         return []
     }
     
-    /// Sets the the list of authorized users for an instance
-    public func setAuthorizedUsers<T: SyncedStorable>(for instance: T, users: [String]) throws {
+    public func setAuthorizedUsersAsync<T: SyncedStorable>(for instance: T, users: [String]) async throws {
+        
         guard let dataAccessCollection = self._dataAccess else {
             return
         }
@@ -1039,15 +1041,27 @@ public class StoreCenter {
 
         if let dataAccess = dataAccessCollection.first(where: { $0.modelId == instance.stringId }) {
             if users.isEmpty {
-                dataAccessCollection.delete(instance: dataAccess)
+                await dataAccessCollection.deleteAsync(instance: dataAccess)
             } else {
                 dataAccess.sharedWith.removeAll()
                 dataAccess.sharedWith = users
-                dataAccessCollection.addOrUpdate(instance: dataAccess)
+                await dataAccessCollection.addOrUpdateAsync(instance: dataAccess)
             }
         } else {
             let dataAccess = DataAccess(owner: userId, sharedWith: users, modelName: String(describing: type(of: instance)), modelId: instance.stringId)
-            dataAccessCollection.addOrUpdate(instance: dataAccess)
+            await dataAccessCollection.addOrUpdateAsync(instance: dataAccess)
+        }
+
+    }
+    
+    /// Sets the the list of authorized users for an instance
+    public func setAuthorizedUsers<T: SyncedStorable>(for instance: T, users: [String]) throws {
+        Task {
+            do {
+                try await self.setAuthorizedUsersAsync(for: instance, users: users)
+            } catch {
+                Logger.error(error)
+            }
         }
     }