Transaction not yet indexed

ex5SdDZ4y9foHj8PbFdtF7enxdXqNBCDrBNgRPd1BHcyDCfpdRzTNYDmTJ88zKFsrZEUBbQDrDQNv6pmucn5ALY

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