{
  "detail-type": "adjustment_batch.initialized",
  "detail": {
    "metadata": {
      "target_type": "worksheet_flowthrough_batch",
      "target_id": 22,
      "correlation_id": "550e8400-e29b-41d4-a716-446655440000"
    },
    "data": {
      "s3_bucket": "example-bucket",
      "s3_key": "uploads/adjustments/sample_file.xlsx"
    }
  }
}