Get Manifests of Multiple Namespaces

{
  "namespaces": [
    {
      "manifestVersion": "2.0.0",
      "namespace": {
        "namespaceId": "9fab54b2-39f9-48e4-8ceb-5a7ecbba44e1",
        "name": "my-namespace",
        "installationType": "Connected",
        "secret": "base64 encoded string, e.g. c3Vic2NyaXB0aW9uLXNlY3JldA==",
        "productTypePCLM": "standard",
        "plans": [
          {
            "planName": "my-db | my-str",
            "planType": "OnDemand",
            "planConfig": "\"{type:\\\"database | storage\\\"}\""
          }
        ],
        "membership": [
          {
            "email": "abc@xxx.com",
            "role": "Developer | Administrator | Custom_DEPRECATED | MyCustomRole | OtherCustomRole",
            "status": "Invitation_Sent",
            "displayName": "member name"
          }
        ],
        "operationalLinks": {
          "metricsUrl": "https://www.exampleurl.com",
          "alertsUrl": "https://www.exampleurl.com",
          "logsUrl": "https://www.exampleurl.com",
          "backupsUrl": "https://www.exampleurl.com"
        },
        "additionalInformation": {
          "componentVersion": {
            "operatorVersion": "3.0.0",
            "repositoryURL": "docker-local.artifactory.url",
            "builderVersion": "ingvar-rhel",
            "metricsSidecarVersion": "1.0.0",
            "m2EESidecarVersion": "1.0.0"
          },
          "internalDetails": {
            "operatorSDK": "v0.18.2",
            "goRuntimeVersion": "go1.14.13_linux/amd64",
            "buildBranch": "HEAD",
            "buildDate": "2021-01-05_10:14:42",
            "buildHash": "7fd1d6df6e754cafb43efaa75071cff3a16932be"
          }
        },
        "environments": [
          {
            "environmentId": "e9m3vf7f",
            "environmentName": "my-awesome-environment",
            "applicationId": "c533ee0b-f7db-4e62-868b-1192d392ccec",
            "applicationName": "My Awesome App"
          }
        ]
      }
    }
  ]
}