Transaction not yet indexed

WUD96ntACiyYMozXUqmqiFac4MjgdoUXeXBkEhw6jqjaN4eGX8d2j345Q8MsJXjACkrLUYt4LtRu1rZECVQ4oq8

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.