{
  "VolumesModifications": [
    {
      "VolumeId": "string",
      "ModificationState": "modifying",
      "StatusMessage": "string",
      "TargetSize": 10,
      "TargetIops": 1,
      "TargetVolumeType": "standard",
      "OriginalSize": 2,
      "OriginalIops": 4,
      "OriginalVolumeType": "sc1",
      "Progress": 4,
      "StartTime": "string",
      "EndTime": "string"
    },
    {
      "VolumeId": "string",
      "ModificationState": "optimizing",
      "StatusMessage": "string",
      "TargetSize": 1,
      "TargetIops": 2,
      "TargetVolumeType": "io1",
      "OriginalSize": 10,
      "OriginalIops": 3,
      "OriginalVolumeType": "standard",
      "Progress": 3,
      "StartTime": "string",
      "EndTime": "string"
    },
    {
      "VolumeId": "string",
      "ModificationState": "completed",
      "StatusMessage": "string",
      "TargetSize": 6,
      "TargetIops": 4,
      "TargetVolumeType": "gp2",
      "OriginalSize": 4,
      "OriginalIops": 9,
      "OriginalVolumeType": "io1",
      "Progress": 7,
      "StartTime": "string",
      "EndTime": "string"
    },
    {
      "VolumeId": "string",
      "ModificationState": "optimizing",
      "StatusMessage": "string",
      "TargetSize": 8,
      "TargetIops": 10,
      "TargetVolumeType": "standard",
      "OriginalSize": 8,
      "OriginalIops": 1,
      "OriginalVolumeType": "io1",
      "Progress": 2,
      "StartTime": "string",
      "EndTime": "string"
    },
    {
      "VolumeId": "string",
      "ModificationState": "modifying",
      "StatusMessage": "string",
      "TargetSize": 4,
      "TargetIops": 1,
      "TargetVolumeType": "gp2",
      "OriginalSize": 3,
      "OriginalIops": 2,
      "OriginalVolumeType": "standard",
      "Progress": 10,
      "StartTime": "string",
      "EndTime": "string"
    },
    {
      "VolumeId": "string",
      "ModificationState": "failed",
      "StatusMessage": "string",
      "TargetSize": 4,
      "TargetIops": 3,
      "TargetVolumeType": "st1",
      "OriginalSize": 1,
      "OriginalIops": 6,
      "OriginalVolumeType": "st1",
      "Progress": 1,
      "StartTime": "string",
      "EndTime": "string"
    },
    {
      "VolumeId": "string",
      "ModificationState": "optimizing",
      "StatusMessage": "string",
      "TargetSize": 3,
      "TargetIops": 2,
      "TargetVolumeType": "sc1",
      "OriginalSize": 7,
      "OriginalIops": 10,
      "OriginalVolumeType": "sc1",
      "Progress": 5,
      "StartTime": "string",
      "EndTime": "string"
    }
  ],
  "NextToken": "string"
}