A Unity ID allows you to buy and/or subscribe to Unity products and services, shop in the Asset Store and participate in the Unity community.
Separate names with a comma.
I've shared an Azure Blob Storage Unity project that may be helpful to you - https://github.com/Unity3dAzure/StorageServicesDemo...
Try using text instead of binary format. Go to Edit > Project Settings > Asset Serialization and select Mode "Force Text" [ATTACH]