| Name | Type | Description | Notes |
|---|---|---|---|
| contact_id | Integer | Unique identifier of the contact. | [optional] |
| created_at | String | Timestamp when the tier was assigned. | [optional] |
| group_id | String | Unique identifier of the group associated with the tier. | [optional] |
| loyalty_program_id | String | Unique identifier of the loyalty program. | [optional] |
| meta | Hash<String, Object> | Additional metadata related to the tier. | [optional] |
| tier_id | String | Unique identifier of the tier. | [optional] |
| updated_at | String | Timestamp when the tier was last updated | [optional] |