Delete placeholder

curl -X POST 'https://api.sendforsign.com/api/placeholder' \
     -H 'Authorization: Bearer 123456789' \
     -H 'Content-Type: application/json' \
     -d '{
    "data": {
        "action": "delete",
        "contractKey": "CONTRACT_KEY",
        "placeholder": {
            "placeholderKey": "PLACEHOLDER_KEY"
        }
    }
}'

{
    "code": "200",
    "message": "Placeholder deleted"
}