| id | The ID of the Plan. |
| first_name | The supporter's first name. |
| last_name | The supporter's last name. |
| email | The supporter's email address. |
| phone | The supporter's phone number. |
| frequency | How often the donation is made. Can be monthly, quarterly or yearly. |
| status | The status of the plan. Can be active, cancelled, ended, past_due or paused. |
| method | The payment method used for this plan. |
| amount | The amount of the recurring donation. |
| fee_covered | The portion of the fee the supporter covered. |
| created_at | A UTC datetime string indicating when the plan was created. |
| started_at | A UTC datetime string indicating when the plan was started. |
| next_bill_date | A UTC datetime string indicating when the plan will bill next. |
