gistfile1.txt

curl  -u "{PushApplicationID}:{MasterSecret}"
   -v -H "Accept: application/json" -H "Content-type: application/json" 
   -X POST
   -d '{
       "alias" : ["[email protected]", "[email protected]", ....],
       "deviceType" : ["iPad", "AndroidTablet"],
       "message": {
         "alert":"HELLO!",
         "sound":"default",
         "badge":7,
         "simple-push":"version=123",
         "someKey":"some value",
         "anotherCustomKey":"some other value"
       },
       "simple-push": {
         "SomeCategory":"version=123",
         "anotherCategory":"version=456"
       }
     }'

http://localhost:8080/ag-push/rest/sender/selected