code: def serialize_sparse(x):
      coords_header, coords_frames = serialize(x.coords)
      data_header, data_frames = serialize(x.data)
  
      header = {
          "coords-header": coords_header,
          "data-header": data_header,
          "shape": x.shape,
          "nframes": [len(coords_frames), len(data_frames)],
      }
      return header, coords_frames + data_frames
  
imports: from __future__ import annotations
  import sparse
  from distributed.protocol.serialize import dask_deserialize, dask_serialize, deserialize, serialize
label_desc: Use image node_id 1 for calling a global function with example usage: serialize_sparse(x) and returns: header,  unknown