Transaction not yet indexed

UdkMxU6eYyhSe8SJeBVKUPnh488ui8GBEfSmwdoHYJV2RkuezKYpnhnXagS9WKZASkR4G35KxiUSPHmCgVmSPoY

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