Transaction not yet indexed

5UDCwCQVvdCzp4hNaWWj4LJWmqEFu6VB45C2LZD8P2qNj6iQjwthrJXY9SjMWrGpX3BKBJrrxZpRTamgqQPUNUN9

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