| Name | Type | Description | Notes |
|---|---|---|---|
| chain_id | str | The ID for this chain on the Factom blockchain. | |
| external_ids | list[str] | The external IDs attached to this chain on the Factom blockchain. | |
| href | str | An API link to retrieve all information about this chain. | |
| stage | str | The level of immutability that this chain has reached. | |
| created_at | str | The time at which this chain was created. Sent in ISO 8601 Format. For example: `YYYY-MM-DDThh:mm:ss.ssssssZ` This will be null if the chain is not at least at the `factom` immutability stage. | [optional] |