Récupère les informations d'un abonnement spécifique par son ID.
OK.
{- "charge_amount": 0.03,
- "comment": "The subscription was not extended in due time",
- "currency": "USD",
- "date_create": "2018-09-21T16:54:59+0300",
- "date_end": "2019-02006T12:43:04+0300",
- "date_last_charge": "2018-09-21T16:55:05+0300",
- "date_next_charge": "2018-09-21T16:55:05+0300",
- "id": 249579,
- "plan": {
- "external_id": "lowcost",
- "id": 601
}, - "product": null,
- "status": "canceled",
- "user": {
- "id": "user1",
- "name": "John Smith"
}
}