Transaction not yet indexed

UbMMsTkm2krS9ZGHVnsedN42Up2Lxc8WeaB4F7RfQQrPVCqv2edSaVxAWiCmNR2mtoYwvHBfRdZTAUPUB5G87ao

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