Cloudera manager api

hi i am trying to use this 

{
"hostNames": [
"...",
"..."
],
"sshPort": 12345,
"userName": "...",
"password": "...",
"privateKey": "...",
"passphrase": "...",
"parallelInstallCount": 12345,
"cmRepoUrl": "...",
"gpgKeyCustomUrl": "...",
"javaInstallStrategy": "...",
"unlimitedJCE": true,
"gpgKeyOverrideBundle": "...",
"agentReportedHostnames": [
{
"key": "...",
"value": "..."
},
{
"key": "...",
"value": "..."
}
],
"subjectAltNames": [
"...",
"..."
]
}

anybody help how fill this ??