是否可以在GAE Golang Blobstore中存储任意数据？

I am creating a large database application in Google App Engine Go. Most of my pieces of data are small, so I have no problem storing them in Datastore. However, I know I will run into a few entries that will be a few megabytes big, so I will have to use Blobstore to save them.I am creating a large database application in G