{
  "data": {
    "version": 3,
    "bindings": [
      {
        "role": "roles/pubsub.publisher",
        "members": [
          "serviceAccount:my-service-account@my-project.iam.gserviceaccount.com",
          "serviceAccount:gmail-api-push@system.gserviceaccount.com"
        ]
      },
      {
        "role": "roles/pubsub.subscriber",
        "members": [
          "serviceAccount:subscriber@my-project.iam.gserviceaccount.com"
        ]
      },
      {
        "role": "roles/pubsub.viewer",
        "members": [
          "user:john.doe@example.com",
          "group:team@example.com"
        ],
        "condition": {
          "title": "Production environment only",
          "description": "Allow access only in production",
          "expression": "resource.name.startsWith(\"projects/my-gcp-project-123456/\")"
        }
      }
    ],
    "etag": "BwYFgrUAAAA="
  }
}