Transaction not yet indexed

RTb4UGnKeJeJTmjLw67ZeZqoWeMQfMB6pbaGekiGCpdfdP8cMh6TYy1opJe3MnfvQ5FzZfDgkZntSR2KPdo5MSE

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