echo
----
{
  "sample_count": 4,
  "sample_sum": 21,
  "bucket": [
    {
      "cumulative_count": 1,
      "upper_bound": 1
    },
    {
      "cumulative_count": 1,
      "upper_bound": 2
    },
    {
      "cumulative_count": 1,
      "upper_bound": 3
    },
    {
      "cumulative_count": 1,
      "upper_bound": 4
    },
    {
      "cumulative_count": 3,
      "upper_bound": 5
    },
    {
      "cumulative_count": 3,
      "upper_bound": 6
    },
    {
      "cumulative_count": 4,
      "upper_bound": 10
    },
    {
      "cumulative_count": 4,
      "upper_bound": 20
    },
    {
      "cumulative_count": 4,
      "upper_bound": 30
    }
  ]
}
