curl -v -X OPTIONS \
--header 'Origin: http://some.origin.here' \
--header 'Access-Control-Request-Method: GET' \
http://localhost:8085/tokens
curl -X POST -d '{"key1":"value1", "key2":"value2"}' \
-H "Content-Type: application/json" http://localhost:3000/data
curl -X POST -H "Content-Type: application/json" -d @tx.signed http://localhost:8085/transaction/submit
curl -X POST -d "param1=value1¶m2=value2" http://localhost:3000/data
curl -X POST -d "param1=value1¶m2=value2" \
-H "Content-Type: application/x-www-form-urlencoded" http://localhost:3000/data