Transaction not yet indexed

5yu91N5b3FifhRj81bMQdYiPSehSijQdaUQhn3CU6YPu9ExQyf4i2Kbesp6K8kZ3fLopK4q8nAkEngpUHMF4qVRs

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