EventSample

 { 
 "raw_log_token" 
 : 
 string 
 , 
 // Union field event_sample 
can be only one of the following: 
 "event" 
 : 
 { 
 object (  UDM 
 
) 
 } 
 , 
 "entity" 
 : 
 { 
 object (  Entity 
 
) 
 } 
 // End of list of possible types for union field event_sample 
. 
 }