update blob server uri path

bundle.go

diff --git a/bundle.go b/bundle.go
index 3aaa584..acad9b1 100644
--- a/bundle.go
+++ b/bundle.go
@@ -29,7 +29,7 @@
 )
 
 const (
-	blobStoreUri = "blobs/{blobId}/signedurl"
+	blobStoreUri = "/blobs/{blobId}"
 )
 
 type bundleManagerInterface interface {