Transaction not yet indexed

NU6i1RBdBeCoitXb9ToqYzrF69S4K4eRZdzD6DvkPx1j5V5Um3LkRNtcb2BTDQdUJb2EvLJF2WoQXqfE5cjLxFc

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