It's always advice to use -lazysave when saving to the cloud to avoid problems and minimize internet usage. (see: Command Line Arguments)
The jEveAssets setting and profile files can get very large, so expect high bandwidth use to upload the files.

Run jEveAssets with -portable (see: Command Line Arguments) and put the entire jEveAssets program directory into your cloud service directory

Make a symbol link between the jEveAssets settings directory .jeveassets (see: Settings Location) and your cloud service directory