Transaction not yet indexed

mp6kmH9C8LCcTj8c1TfMZ1PZUEvsrsFwS5jygWtsKnPFk8wFk5j2cVkTmMM7BbtbbEzq7FLDX4PA66ExJ8FPR23

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