{
  "features": {
    "abi": "", 
    "bits": "64", 
    "ck_os_base_uoa": "", 
    "ck_os_uoa": "macos-64", 
    "name": "Mac OS X 10.12.6", 
    "name_long": "Darwin-16.7.0-x86_64-i386-64bit", 
    "name_short": "Darwin 16.7.0", 
    "serial_number": ""
  }
}