curl --request POST \
  --url http://staging.qshop.ng/apiv2/shops/{shopId}/customers/{userId}/wishlist \
  --header 'Content-Type: application/json' \
  --data '
{
  "product": "<string>"
}
'

{
  "msg": "<string>",
  "data": {
    "_id": "<string>",
    "product": "<string>",
    "shop": "<string>",
    "user": "<string>",
    "variant": "<unknown>",
    "__v": 123,
    "created": "<string>",
    "profile": "<string>"
  },
  "success": true
}