Execute shard copy, move, modify storage type
Task ID (created in create multipart copy, move, and change storage type tasks)
Part etag (used in complete, move, and change storage type tasks)
Part number (used in complete, move, and change storage type tasks)
Part size (used in complete, move, and change storage type tasks)
{
"etag": "copy-etag-1",
"part_number": 1,
"size": 1048576
}