Transaction not yet indexed

Um1pyTafNk6hvg6ho9aZfWWawbGKruvkE2nVRYqFgFxsw7Ei2BY7GAU8zh6LA49pZGCFGcVhoaMYF71sHEk6Bgn

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