{
  "and_chr": "60",
  "and_ff": "53",
  "android": "60",
  "chrome": "60",
  "edge": "79",
  "firefox": "53",
  "ios_saf": "11",
  "op_mob": "44",
  "opera": "47",
  "safari": "11",
  "samsung": "8.0"
}