curl --request POST \
  --url https://api.allium.so/api/v1/streams/data-management/filter-data-sources/{data_source_id}/values \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --data '
{
  "operation": "ADD",
  "values": [
    "<string>"
  ]
}
'

{
  "message": "<string>"
}