$ curl -i -X POST -H 'X-Auth-Token: MYREALLYLONGAUTHTOKEN' -H 'Content-Type: application/json' -H 'Accept: application/json' http://MYPUBLICENDPOINTIP:8004/v1/2013822124144d189c42fcf135849a30/stacks/my-cluster-name-yopnvhckfvyb/953dff2f-07d8-4d16-b0b4-191716268090/resources/slave_wait_handle/signal True --data-binary '{"status": "SUCCESS"}'

HTTP/1.1 200 OK
Content-Type: application/json
Content-Length: 4
x-openstack-request-id: req-201dbc39-43dc-4474-be55-69f4cf91d3ce

nullcurl: (6) Could not resolve host: True