curl --request POST \
  --url https://api.ionworks.com/cell_instances/{cell_instance_id}/cell_measurements/initiate-upload \
  --header 'Content-Type: application/json' \
  --data '
{
  "measurement": {},
  "measurement_type": "time_series",
  "filenames": [
    "<string>"
  ]
}
'

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>",
      "input": "<unknown>",
      "ctx": {}
    }
  ]
}