| Name | Type | Description | Notes |
|---|---|---|---|
| sep | String | Separator key, typically 'model' (sometimes called sort_key) | |
| sep_value | String | Multibase encoded separator value (sometimes called sort_value, typically a stream ID) | |
| controller | String | Decentralized identifier (DID) string | [optional] [default to None] |
| stream_id | String | Multibase encoded stream ID. | [optional] [default to None] |