{
  "us": {
    "unit": "inches",
    "male": {
      "shoe": {
        "input": [],
        "rec": []
      },
      "foot": {
        "input": [],
        "rec": []
      }
    },
    "female": {
      "shoe": {
        "input": [],
        "rec": []
      },
      "foot": {
        "input": [],
        "rec": []
      }
    }
  },
  "eu": {
    "unit": "cm",
    "male": {
      "shoe": {
        "input": [39, 40, 41, 42, 43, 44, 45, 46],
        "rec": [39, 40, 41, 42, 43, 44, 45, 46]
      },
      "foot": {
        "input": [26, 26.5, 27, 27.5],
        "rec": [39, 39, 40, 41]
      }
    },
    "female": {
      "shoe": {
        "input": [],
        "rec": []
      },
      "foot": {
        "input": [],
        "rec": []
      }
    }
  },
  "uk": {
    "unit": "inches",
    "male": {
      "shoe": {
        "input": [],
        "rec": []
      },
      "foot": {
        "input": [],
        "rec": []
      }
    },
    "female": {
      "shoe": {
        "input": [],
        "rec": []
      },
      "foot": {
        "input": [],
        "rec": []
      }
    }
  }
}