Error With Campaign Creation Rest API v14

[Diego Villanueva Araya]

Hello Google Ads Team

I am trying to create a campaign using google ads API REST but I get 
an error message. Could you please advise? I'm working with a test account.

Below are the details

url: 
https://googleads.googleapis.com/v14/customers/{login_customer_id}/campaigns:mutate

variables:

Request:

{
   "operations":[
      {
         "create":{
            "name":"Campaña Api Rest",
            "status":"PAUSED",
            "advertisingChannelType":"SEARCH",
            "advertisingChannelSubType":"UNSPECIFIED",
            "networkSettings":{
               "targetGoogleSearch":true,
               "targetSearchNetwork":true,
               "targetPartnerSearchNetwork":true
            },
            "geoTargetTypeSetting":{
               "positiveGeoTargetType":"PRESENCE"
            },
            "biddingStrategyType":"ENHANCED_CPC",
            
"campaignBudget":"customers/2447006958/campaignBudgets/12698685038",
            "finalUrlSuffix":"kid={_kid}"
         }
      }
   ]
}

Response:

{
   "code":400,
   "message":"Request contains an invalid argument.",
   "status":"INVALID_ARGUMENT",
   "details":[
      {
        
 "@type":"type.googleapis.com/google.ads.googleads.v14.errors.GoogleAdsFailure",
         "errors":[
            {
               "errorCode":{
                  "fieldError":"REQUIRED"
               },
               "message":"The required field was not present.",
               "location":{
                  "fieldPathElements":[
                     {
                        "fieldName":"operations",
                        "index":0
                     },
                     {
                        "fieldName":"create"
                     },
                     {
                        "fieldName":"campaign_bidding_strategy"
                     }
                  ]
               }
            }
         ],
         "requestId":"sIbnHlO3z2HjzYcRrxIYzg"
      }
   ]
}

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