     
     public var byteValue: [UInt8] {
         
-        let type = ATTSignedWriteCommand.self
+        let type = ATTPrepareWriteRequest.self
         
         let handleBytes = handle.littleEndianBytes
         

    
    public var byteValue: [UInt8] {
        
        let type = ATTSignedWriteCommand.self
                
        let handleBytes = handle.littleEndianBytes
                

    
    public init?(byteValue: [UInt8]) {
            
        let type = ATTPrepareWriteResponse.self
            
        guard byteValue.count >= type.length
            else { return nil }
