RewritePayload

{
    "taskKind": "rewrite",
    "sessionID": "f64470cf-3860-4029-b905-d576bb175df4",
    "text": "string",
    "completedAt": "2019-08-24T14:15:22.123Z",
    "appliedExpression": {
        "personalStyleUsed": true,
        "appToneUsed": true,
        "appTonePreset": "default",
        "writingTone": "natural"
    }
}