Java integration
curl \ -H "Authorization: $API_KEY" \ http://qldb.us-east-1.amazonaws.com/ledgers
curl \
-H "Authorization: $API_KEY" \
http://qldb.us-east-1.amazonaws.com/ledgers/{name}curl \ -H "Authorization: $API_KEY" \ http://qldb.us-east-1.amazonaws.com/journal-s3-exports