code: def materialize(self, node=None, bounds=None, callback=None, out_format='TILE_STREAM', **kwargs):
          
          kwargs.update({
            "node": node,
            "bounds": bounds,
            "callback": callback,
            "out_format": out_format
          })
          return self.rda._materialize(**kwargs)
docs: Materializes images into gbdx user buckets in s3.
            Note: This method is only available to RDA based image classes. 
  
            Args:
              node (str): the node in the graph to materialize
              bounds (list): optional bbox for cropping what gets materialized in s3
              out_format (str): VECTOR_TILE, VECTOR, TIF, TILE_STREAM
              callback (str): a callback url like an `sns://`
            Returns:
              job_id (str): the job_id of the materialization