[
  {
    "region": "大阪",
    "customers": 3,
    "mrr": 11940
  },
  {
    "region": "東京",
    "customers": 4,
    "mrr": 8920
  },
  {
    "region": "北海道",
    "customers": 3,
    "mrr": 7940
  },
  {
    "region": "徳島",
    "customers": 3,
    "mrr": 7940
  },
  {
    "region": "沖縄",
    "customers": 2,
    "mrr": 2960
  }
]