Check out some of these common scenarios for working with the Microsoft Graph API. 

GET my profile
GET my files
GET my photo$value
GET my mail
GET my high importance email$filter=importance%20eq%20'high'
GET my calendar events
GET my manager
GET last user to modify file foo.txt
GET Microsoft 365 groups I’m a member of$/$filter=groupTypes/any(a:a%20eq%20'unified')
GET users in my organization
GET groups in my organization
GET people related to me
GET items trending around me
GET my notes