// GET https://www.opentable.com/dapi/fe/gql?optype=mutation&opname=RsvpInvitation
// referer https://www.opentable.com/booking/view?rid=51628&invitationId=bb16a834-258c-48eb-aa7a-22b6316d38e0&confirmationNumber=2109823423

// request
{
  "operationName": "RsvpInvitation",
  "variables": {
    "input": {
      "restaurantId": 51628,
      "confirmationNumber": 2109823423,
      "invitationId": "bb16a834-258c-48eb-aa7a-22b6316d38e0",
      "accepted": true
    }
  },
  "extensions": {
    "persistedQuery": {
      "version": 1,
      "sha256Hash": "b4d2873a1109ca85e2a455e26c9639c50b499e8fa9063d7f5e55c6a6841391c5"
    }
  }
}

// response
{
    "data": {
        "rsvpInvitation": {
            "success": false,
            "invite": {
                "inviteId": "bb16a834-258c-48eb-aa7a-22b6316d38e0",
                "invitees": [
                    {
                        "accepted": true,
                        "inviteeGpid": 120181038572,
                        "inviteeUserProfile": {
                            "firstName": "Davide",
                            "lastNameFirstCodepoint": "C",
                            "profilePhoto": {
                                "pid": 0,
                                "photoBySize": null,
                                "__typename": "PublicDinerProfilePhoto"
                            },
                            "__typename": "UserProfile"
                        },
                        "__typename": "ReservationInvitee"
                    }
                ],
                "__typename": "ReservationInvite"
            },
            "__typename": "RsvpInvitationResponse"
        }
    },
    "loading": false,
    "networkStatus": 7
}