{
  "id": "mastiff",
  "name": "Mastiff",
  "group": "Working",
  "origin": "United Kingdom",
  "size": "Large",
  "life_expectancy_years": "6-10",
  "temperament": "Courageous, dignified and good-natured",
  "url": "https://gratisapi.com/api/dog-breeds/mastiff"
}