Transaction not yet indexed

Rb1MWbQCa3BJuBNwm8cvAFd9cfJFiNLx84d4d35N6kWAT38J5CNa8A6CFwRMD2rdU6jYH3XRzRRaXZ5G2pYNE97

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