curl --request POST \
  --url https://sdk-api.playcamp.io/v1/server/playtime/sessions/bulk \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "sessions": [
    {
      "sessionId": "<string>",
      "userId": "<string>",
      "durationSeconds": 2,
      "startedAt": "2023-11-07T05:31:56Z",
      "endedAt": "2023-11-07T05:31:56Z",
      "campaignId": "<string>",
      "creatorKey": "<string>",
      "metadata": {}
    }
  ],
  "callbackId": "<string>",
  "isTest": false
}
'

{
  "data": {
    "totalRequested": 123,
    "successful": 123,
    "failed": 123,
    "skipped": 123,
    "results": [
      {
        "sessionId": "<string>",
        "error": "<string>"
      }
    ]
  }
}