fixed service model binding issue.

NzbDrone.Services/NzbDrone.Services.Service/JsonModelBinder.cs

@@ -25,10 +25,14 @@ namespace NzbDrone.Services.Service
                     return base.BindModel(controllerContext, bindingContext);
                 }
 
-                using (var reader = new StreamReader(request.InputStream))
+                using (var stream = request.InputStream)
+                {
+                    stream.Seek(0, SeekOrigin.Begin);
+                    using (var reader = new StreamReader(stream))
                     {
                         input = reader.ReadToEnd();
                     }
+                }
 
                 var deserializedObject = JsonConvert.DeserializeObject(input, bindingContext.ModelMetadata.ModelType);
 
@@ -36,7 +40,7 @@ namespace NzbDrone.Services.Service
             }
             catch (Exception e)
             {
-                logger.FatalException("Error deserializing request. " + input, e);
+                logger.FatalException("Error deserilizing request. " + input, e);
                 throw;
             }
         }