$json = '{
                "CustId":"'. $accountApi['custId'] .'",
                "EntityId":"'. $accountApi['entityId'] .'",
                "TypeId":"REGULAR",
                "ToFilterId":"'.$campaignData['filterId'].'",
                "contBodies": [{
                    "type": "HTML",
                    "usageMask" : "ALL_EMAIL_STYLE_USAGE_MASK",
                    "body" : "'.$campaignData['body'].'"
                }],
                "linkTrackingUsageMask":"HTML_AND_TEXT",
                "linkTrackingDomainId":"9084",
                "EmailMsgTemplate": {
                    "FromName":"'.$campaignData['fromName'].'",
                    "ToName":"'.$campaignData['toName'].'",
                    "toAddressPropId": 10059,
                    "FromAddressId":"'.$fromAddressId.'",
                    "Subject":"'.$campaignData['subject'].'",
                    "vmtaPoolId":"'.$accountApi['vmtaPool'].'",
                    "replyToAddress":"'.$campaignData['replyToAddress'].'"
                },
                "campToList": {
                    "testListId": '.$campaignData['proofFilterId'].'
                },
                "campReviewFlags":{
                    "contCalculationFlag": 0,
                    "personalizationFlag": 0,
                    "sendingFlag": 0
                },
                "campParam":{
                    "sendSchedule":{
                        "timeZone":"W_Europe_Standard_Time",
                        "startTime":"'.$campaignData['startTime'].'",
                        "dayFrequency":{
                            "frequencyType": "Daily",
                            "daysInterval": 1
                        }
                    },
                    "queueSchedule":{
                            "timeZone": "W_Europe_Standard_Time"
                    }
                },
                "Obj":{
                    "display_name":"'.$campaignData['displayName'].'",
                    "parent_obj_id":"'.$campaignData['folderId'].'"
                }
            }';