Get recurring invoice series details

{  "id": "RI-9Y6699772R098892C",  "status": "DRAFT",  "plan_detail": {    "total_cycles": 1,    "frequency": {      "interval_unit": "MONTH",      "interval_count": 1    },    "start_series_date": "2026-01-20",    "completed_cycles": 0  },  "recurring_info": {    "detail": {      "reference": "0001",      "currency_code": "USD",      "note": "Thank you",      "terms_and_conditions": "Your terms and conditions",      "memo": "Gift pack",      "category_code": "SHIPPABLE",      "payment_term": {        "term_type": "DUE_ON_RECEIPT"      }    },    "primary_recipients": [      {        "billing_info": {          "email_address": "test@gmail.com"        }      }    ],    "items": [      {        "id": "ITEM-69D690885J782781N",        "name": "pen",        "quantity": "1",        "unit_amount": {          "currency_code": "USD",          "value": "12.00"        },        "unit_of_measure": "QUANTITY"      }    ],    "configuration": {      "tax_calculated_after_discount": true,      "tax_inclusive": false,      "allow_tip": true,      "partial_payment": {        "allow_partial_payment": true,        "minimum_amount_due": {          "currency_code": "USD",          "value": "2.00"        }      },      "template_id": "TEMP-1B23377148371954V"    },    "amount": {      "breakdown": {        "item_total": {          "currency_code": "USD",          "value": "12.00"        },        "discount": {          "invoice_discount": {            "amount": {              "currency_code": "USD",              "value": "0.00"            }          },          "item_discount": {            "currency_code": "USD",            "value": "0.00"          }        },        "tax_total": {          "currency_code": "USD",          "value": "0.00"        }      },      "currency_code": "USD",      "value": "12.00"    }  },  "metadata": {    "create_time": "2026-01-20T09:55:09Z",    "last_update_time": "2026-01-20T09:55:09Z"  },  "links": [    {      "href": "https://api-m.paypal.com/v2/invoicing/recurring-invoices/RI-9Y6699772R098892C",      "rel": "self",      "method": "GET"    },    {      "href": "https://api-m.paypal.com/v2/invoicing/recurring-invoices/RI-9Y6699772R098892C",      "rel": "delete",      "method": "DELETE"    },    {      "href": "https://api-m.paypal.com/v2/invoicing/recurring-invoices/RI-9Y6699772R098892C",      "rel": "replace",      "method": "PUT"    },    {      "href": "https://api-m.paypal.com/v2/invoicing/recurring-invoices/RI-9Y6699772R098892C/cancel",      "rel": "cancel",      "method": "POST"    },    {      "href": "https://api-m.paypal.com/v2/invoicing/recurring-invoices/RI-9Y6699772R098892C/activate",      "rel": "activate",      "method": "POST"    }  ]}