{
  "*": {"installation_mode": "blocked",
    "blocked_install_message": "This extension is not allowed by your administrator. Please contact admin@example.com if you have a business justification for installing it." },
  "kbfnbcaeplbcioakkpcpgfkobkghlhen": {
     "blocked_install_message": "Instead, please call IT for help.",
    "installation_mode": "blocked"
  }
}