pull weight from route53 api code example

Example: aws route53 change-batch

{
  "Comment": "optional comment about the changes in this change batch request",
  "Changes": [
    {
      "Action": "CREATE"|"DELETE"|"UPSERT",
      "ResourceRecordSet": {
        "Name": "DNS domain name",
        "Type": "SOA"|"A"|"TXT"|"NS"|"CNAME"|"MX"|"PTR"|"SRV"|"SPF"|"AAAA",
        "AliasTarget": {
          "HostedZoneId": "hosted zone ID for your CloudFront distribution, Amazon S3 bucket, Elastic Load Balancing load balancer, or Amazon Route 53 hosted zone",
          "DNSName": "DNS domain name for your CloudFront distribution, Amazon S3 bucket, Elastic Load Balancing load balancer, or another resource record set in this hosted zone",
          "EvaluateTargetHealth": true|false
        },
        "HealthCheckId": "optional ID of an Amazon Route 53 health check"
      }
    },
    {...}
  ]
}