[CX] result of shutdown endpoint not formatted

$ curl -data http://localhost:8095/analytics/shutdown?all=true

{"status":"SHUTTING_DOWN","date":1490673015032,"cluster":{"state":"ACTIVE","metadata_node":"blue","ncs":[{"node_id":"red","state":"ACTIVE","partitions":[{"partition_id":"partition_1","active":true}],"pid":75636},{"node_id":"blue","state":"ACTIVE","partitions":[{"partition_id":"partition_0","active":true}],"pid":75634}]}}