curl --request POST \
  --url https://api.example.com/vendor/reservations/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "description": "<string>",
  "location_id": "<string>",
  "quantity": 123
}
'

{
  "reservation": {
    "id": "<string>",
    "line_item_id": "<string>",
    "location_id": "<string>",
    "quantity": 123,
    "external_id": "<string>",
    "description": "<string>",
    "inventory_item_id": "<string>",
    "created_by": "<string>",
    "deleted_at": "2023-11-07T05:31:56Z",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  }
}