diff --git a/Sources/User/UpdateProfile.swift b/Sources/User/UpdateProfile.swift
index b7072c4..1134502 100644
--- a/Sources/User/UpdateProfile.swift
+++ b/Sources/User/UpdateProfile.swift
@@ -53,7 +53,9 @@ extension PushUser {
     let verificationProof = "\(sigType):\(signature)"
 
     let payload = UpdateUserPayload(
-      name: newProfile.name, desc: newProfile.desc, picture: newProfile.picture,
+      name: newProfile.name, 
+      desc: newProfile.desc, 
+      picture: newProfile.picture,
       blockedUsersList: newProfile.blockedUsersList,
       verificationProof: verificationProof)
 
@@ -84,41 +86,52 @@ extension PushUser {
 
 struct UpdateUserPayload: Codable {
   var name: String?
-  var desc: String
-  var picture: String
+  var desc: String?
+  var picture: String?
   var blockedUsersList: [String]
   var verificationProof: String
+
+  private enum CodingKeys: String, CodingKey {
+        case name, desc, picture, blockedUsersList, verificationProof
+  }
+
+
+  func encode(to encoder: Encoder) throws{
+          var container = encoder.container(keyedBy: CodingKeys.self)
+
+        try container.encode(name, forKey: .name)
+        try container.encode(desc, forKey: .desc)
+        try container.encode(picture, forKey: .picture)
+        try container.encode(blockedUsersList, forKey: .blockedUsersList)
+        try container.encode(verificationProof, forKey: .verificationProof)
+  }
 }
 
 struct UpdateUseProfile: Codable {
   public var name: String?
-  public var desc: String
-  public var picture: String
+  public var desc: String?
+  public var picture: String?
   public var blockedUsersList: [String]
 }
 
 func getUpdateProfileHash(newProfile: PushUser.UserProfile) throws -> (
   UpdateUseProfile, String
 ) {
+  let newUserProfile = UpdateUseProfile(
+    name: newProfile.name,
+    desc: newProfile.desc,
+    picture: newProfile.picture,
+    blockedUsersList: newProfile.blockedUsersList!)
 
-  let _name = newProfile.name == nil ? "" : newProfile.name!
-  let _desc = newProfile.desc == nil ? "" : newProfile.desc!
-
-  let name = newProfile.name == nil ? "null" : "\"\(_name)\""
-  let desc = newProfile.desc == nil ? "null" : "\"\(_desc)\""
+  let name = newProfile.name == nil ? "null" : "\"\(newProfile.name!)\""
+  let desc = newProfile.desc == nil ? "null" : "\"\(newProfile.desc!)\""
   let picture = "\"\(newProfile.picture)\""
-  let blockedUsersList = newProfile.blockedUsersList!
+
 
   let blockUserAddresses = flatten_address_list(addresses: newProfile.blockedUsersList!)
   let jsonString =
     "{\"name\":\(name),\"desc\":\(desc),\"picture\":\(picture),\"blockedUsersList\":\(blockUserAddresses)}"
-
-  let newUserProfile = UpdateUseProfile(
-    name: name.replacingOccurrences(of: "\"", with: ""),
-    desc: desc.replacingOccurrences(of: "\"", with: ""),
-    picture: picture.replacingOccurrences(of: "\"", with: ""),
-    blockedUsersList: blockedUsersList)
-  let hash = generateSHA256Hash(msg: jsonString)
+ let hash =  generateSHA256Hash(msg: jsonString)
 
   return (newUserProfile, hash)
 }
diff --git a/Tests/User/UpdateUserTests.swift b/Tests/User/UpdateUserTests.swift
index 783947e..9ed7721 100644
--- a/Tests/User/UpdateUserTests.swift
+++ b/Tests/User/UpdateUserTests.swift
@@ -41,6 +41,52 @@ class UpdateUserTests: XCTestCase {
       env: .STAGING)
   }
 
+  func testGenerateHash() async throws {
+
+  let name = "null"
+  let desc =  "null"
+  let picture =  "\"name\""
+  
+  let blockUserAddresses = flatten_address_list(addresses: [])
+    let jsonString =
+    "{\"name\":\(name),\"desc\":\(desc),\"picture\":\(picture),\"blockedUsersList\":\(blockUserAddresses)}"
+
+
+   let hash =  generateSHA256Hash(msg: jsonString)
+   print(hash)
+  }
+
+  func testUserBlockForNewUser() async throws {
+    let userPk1 = getRandomAccount()
+
+    let signer1 = try SignerPrivateKey(privateKey: userPk1)
+
+    let user1 = try await PushUser.create(
+      options: PushUser.CreateUserOptions(
+        env: ENV.DEV,
+        signer: SignerPrivateKey(
+          privateKey: userPk1
+        ),
+        progressHook: nil
+      ))
+ 
+
+    let user1PpgpPk = try await PushUser.DecryptPGPKey(
+      encryptedPrivateKey: user1.encryptedPrivateKey, signer: signer1)
+    
+
+    let (a1, a2, a3) = (
+      generateRandomEthereumAddress(), generateRandomEthereumAddress(),
+      generateRandomEthereumAddress()
+    )
+
+    let usersToBlock = [a1, a2, a3]
+
+    try await PushUser.blockUsers(
+      addressesToBlock: usersToBlock, account: user1.did, pgpPrivateKey: user1PpgpPk,
+      env: .DEV)
+  }
+
   func testUserUnBlock() async throws {
     let (a1, a2, a3) = (
       generateRandomEthereumAddress(), generateRandomEthereumAddress(),