[
  {
    "environment": "prod",
    "snapshots": [
      {
        "timestamp": 100,
        "cands_info": [
          {
            "name": "1",
            "job_count": 900
          },
          {
            "name": "2",
            "job_count": 1100
          }
        ]
      },
      {
        "timestamp": 350,
        "cands_info": [
          {
            "name": "1",
            "job_count": 900
          },
          {
            "name": "2",
            "job_count": 900
          },
          {
            "name": "3",
            "job_count": 200
          }
        ]
      },
      {
        "timestamp": 670,
        "cands_info": [
          {
            "name": "1",
            "job_count": 400
          },
          {
            "name": "2",
            "job_count": 1200
          },
          {
            "name": "3",
            "job_count": 400
          }
        ]
      },
      {
        "timestamp": 890,
        "cands_info": [
          {
            "name": "2",
            "job_count": 1200
          },
          {
            "name": "3",
            "job_count": 500
          },
          {
            "name": "4",
            "job_count": 300
          }
        ]
      }
    ]
  }
]

Create sample data with 4 snapshots.
Create sample data with 4 snapshots.
