Hi Andrew,
yes I did it and still showing the same error:
"message": "An OData property annotation was found for a parameter payload; however, parameter payloads do not support OData property annotations.".
This is the complete Json message that I'm using, the GUID values are EntityReference fields, anyway, I'm evaluating the way to make the value visible in CRM with the plugin exception trace.
{
"address1City": "",
"address1Line1": "123 Main",
"address1Line2": "",
"address1PostalCode": "",
"address1StateOrProvince": "",
"billingAddressSameasInstall": true,
"campaignId": "FC3F7A95-D864-E811-8138-E0071B6AD111",
"desiredCallTime": "2018-06-19T16:35:05Z",
"email": "",
"firstName": "Jairo",
"futureInstallReason": "",
"installAddressCountry": "",
"installJobNumber": "",
"installStreetName": "",
"installStreetNumber": "",
"installUnitNumber": "",
"installationFeeId": "",
"isFirstParty": true,
"jornayaCampaignId": "E55426E4-6570-E611-80DC-FC15B4286CB8",
"lastName": "VR_LA0618_01",
"leadId@odata.bind": "/leads(74ec5085-fd73-e811-812e-e0071b6aa291)",
"leadIdData_result": 0,
"leadIdLabsData_result": 0,
"leadQualifierData_age": "20",
"leadQualifierData_ageRule": false,
"leadQualifierData_authentic": false,
"leadQualifierData_capture": false,
"leadQualifierData_captureRule": false,
"leadQualifierData_dataIntegrity": 0,
"leadQualifierData_dataIntegrityFailed": "[\"JAIRO\",\"VR_LA0618_01\",\"1020180618\"]",
"leadQualifierData_dataIntegrityPassed": "[]",
"leadQualifierData_dataIntegrityRule": false,
"leadQualifierData_deviceDay": 0,
"leadQualifierData_deviceDayRule": false,
"leadQualifierData_deviceFiveMinutes": 0,
"leadQualifierData_deviceFiveMinutesRule": false,
"leadQualifierData_deviceHour": 0,
"leadQualifierData_deviceHourRule": false,
"leadQualifierData_deviceTwelveHours": 0,
"leadQualifierData_deviceTwelveHoursRule": false,
"leadQualifierData_deviceWeek": 0,
"leadQualifierData_deviceWeekRule": false,
"leadQualifierData_duration": "07",
"leadQualifierData_durationRule": false,
"leadQualifierData_entityRule": false,
"leadQualifierData_entityValue": false,
"leadQualifierData_ipDay": 0,
"leadQualifierData_ipDayRule": false,
"leadQualifierData_ipFiveMinutes": 0,
"leadQualifierData_ipFiveMinutesRule": false,
"leadQualifierData_ipHour": 0,
"leadQualifierData_ipHourRule": false,
"leadQualifierData_ipTwelveHours": 0,
"leadQualifierData_ipTwelveHoursRule": false,
"leadQualifierData_ipWeek": 0,
"leadQualifierData_ipWeekRule": false,
"leadQualifierData_leadAge": "07",
"leadQualifierData_leadDay": 0,
"leadQualifierData_leadDayRule": false,
"leadQualifierData_leadDupe": false,
"leadQualifierData_leadDupeCheck": "00",
"leadQualifierData_leadDupeCheckRule": false,
"leadQualifierData_leadDupeRule": false,
"leadQualifierData_leadDupeTime": "0",
"leadQualifierData_leadDuration": 0,
"leadQualifierData_leadFiveMinutes": 0,
"leadQualifierData_leadFiveMinutesRule": false,
"leadQualifierData_leadHour": 0,
"leadQualifierData_leadHourRule": false,
"leadQualifierData_leadPlusDay": 0,
"leadQualifierData_leadPlusDayRule": false,
"leadQualifierData_leadPlusFiveMinutes": 0,
"leadQualifierData_leadPlusFiveMinutesRule": false,
"leadQualifierData_leadPlusHour": 0,
"leadQualifierData_leadPlusHourRule": false,
"leadQualifierData_leadPlusTimeFirstNotAvailable": 0,
"leadQualifierData_leadPlusTimeFirstNotAvailableRule": false,
"leadQualifierData_leadPlusTimeLastNotAvailable": 0,
"leadQualifierData_leadPlusTimeLastNotAvailableRule": false,
"leadQualifierData_leadPlusTwelveHours": 0,
"leadQualifierData_leadPlusTwelveHoursRule": false,
"leadQualifierData_leadPlusWeek": 0,
"leadQualifierData_leadPlusWeekRule": false,
"leadQualifierData_leadTwelveHours": 0,
"leadQualifierData_leadTwelveHoursRule": false,
"leadQualifierData_leadWeek": 0,
"leadQualifierData_leadWeekRule": false,
"leadQualifierData_regRule": false,
"leadQualifierData_result": 1,
"leadQualifierData_stored": false,
"leadQualifierData_storedRule": false,
"leadQualifierData_token": "45952EDD-B6D7-6278-6A5D-FBBD9ED2DB14",
"leadQualifierData_totalEntities": 0,
"leadQualifierData_totalEntitiesRule": false,
"leadQualifierData_totalHops": 0,
"leadQualifierData_totalHopsRule": false,
"leadQualifierData_urlRule": false,
"leadQualifierData_urlValue": false,
"leadQualifierId": "45952EDD-B6D7-6278-6A5D-FBBD9ED2DB14",
"primaryPhone": "1020180618",
"providerName": "AC",
"renterOwner": "N",
"secondaryPhone": "",
"spanishSpeaking": "No",
"transactionCurrencyId": "7F4CA223-B47B-E511-80DD-3863BB2E6B80"
}
This is the plugin Trace.

These are the complete list of headers I'm using with Postman

Thanks!