{
  "data": {
    "partialFailureError": {
      "code": 3,
      "message": "Multiple errors in 'conversions' field. Details are provided in the 'details' field.",
      "details": [
        {
          "@type": "type.googleapis.com/google.ads.googleads.v23.errors.GoogleAdsFailure",
          "errors": [
            {
              "errorCode": {
                "conversionUploadError": "INVALID_CONVERSION_ACTION"
              },
              "message": "The conversion action specified in the request is invalid.",
              "location": {
                "fieldPathElements": [
                  {
                    "fieldName": "conversions",
                    "index": 0
                  },
                  {
                    "fieldName": "conversionAction"
                  }
                ]
              }
            }
          ]
        }
      ]
    },
    "results": [
      {
        "callerId": "+18005551234",
        "callStartDateTime": "2026-01-15 09:30:00-05:00",
        "conversionAction": "customers/1234567890/conversionActions/987654321",
        "conversionDateTime": "2026-01-15 10:30:00-05:00"
      }
    ]
  }
}