{
  "format": "rebase.bulk.manifest.v1",
  "example": true,
  "batch_id": "BT-DEMO-001",
  "region": "apac-sg",
  "objects": [{"key": "sample-dataset.bin", "size_bytes": 1048576, "chunk_size_bytes": 262144, "checksum_algorithm": "sha256", "checksum": "REPLACE_WITH_OBJECT_SHA256"}],
  "delivery": {"resume": true, "verify_on_completion": true}
}