{
    "requestType": "openrtb2-web",
    "incomingRequest": {
        "ortbRequest": {
            "id": "some-request-id",
            "site": {
                "page": "test.somepage.com"
            },
            "imp": [
                {
                    "id": "some-imp-id",
                    "banner": {
                        "format": [
                            {
                                "w": 600,
                                "h": 500
                            },
                            {
                                "w": 300,
                                "h": 600
                            }
                        ]
                    },
                    "ext": {
                        "prebid": {
                            "bidder": {
                                "appnexus": {
                                    "placementId": 1
                                }
                            }
                        }
                    }
                }
            ],
            "ext": {
                "prebid": {
                    "data": {
                        "bidders": [
                            "appnexus"
                        ]
                    },
                    "bidderconfig": [
                        {
                            "bidders": [
                                "appnexus"
                            ],
                            "config": {
                                "ortb2": {
                                    "app": {
                                        "domain": "bidconfig_domain1",
                                        "page": "bidconfig_page1"
                                    }
                                }
                            }
                        },
                        {
                            "bidders": [
                                "appnexus"
                            ],
                            "config": {
                                "ortb2": {
                                    "app": {
                                        "domain": "bidconfig_domain2",
                                        "page": "bidconfig_page2"
                                    }
                                }
                            }
                        }
                    ]
                }
            }
        }
    },
    "outgoingRequests": {},
    "response": {
        "error": "multiple First Party Data bidder configs provided for bidder: appnexus"
    }
}