question Not able to create jobhsitory server using curl command in Support Questions

question Not able to create jobhsitory server using curl command in Support Questions https://community.cloudera.com/t5/Support-Questions/Not-able-to-create-jobhsitory-server-using-curl-command/m-p/305646#M222531 Hi Team,I am trying to move mapreduce history server to another instance using curl command .curl -u admin:admin -H "X-Requested-By:ambari" -i -X POST -d  '{ "Credential" : { "principal" : "<orincipal", "key" : "<keyadmin>", "type" : "persisted" } }' '{RequestInfo":{"context":"Install MapReduce "}, "Body":{"HostRoles":{"state":"INSTALLED"}}}' 'http://node1:8080/api/v1/clusters/<clustername>/services/MAPREDUCE2'. Unfortunately I am getting below error::curl: (3) [globbing] nested braces not supported at pos 16HTTP/1.1 400 Bad RequestX-Frame-Options: DENYX-XSS-Protection: 1; mode=blockX-Content-Type-Options: nosniffCache-Control: no-storePragma: no-cacheSet-Cookie: AMBARISESSIONID=1djqii0d05hby3zpi0xa3v9l8;Path=/;HttpOnlyExpires: Thu, 01 Jan 1970 00:00:00 GMTUser: adminContent-Type: text/plainContent-Length: 195 {  "status" : 400,  "message" : "The properties [Credential/key, Credential/type, Credential/principal] specified in the request or predicate are not supported for the resource type Service."}Where  I am going wrong .Apacahe ambari -2.6.1.2 Mon, 09 Nov 2020 11:04:51 GMT shilshet 2020-11-09T11:04:51Z