{
  "features": {
    "abi": "", 
    "bits": "64", 
    "ck_os_base_uoa": "", 
    "ck_os_uoa": "macos-64", 
    "name": "Mac OS X 10.14.1", 
    "name_long": "Darwin-18.2.0-x86_64-i386-64bit", 
    "name_short": "Darwin 18.2.0", 
    "serial_number": ""
  }
}