Transaction not yet indexed

RBunE51PajH7z5dCtXkZ1UU9nQKes3ay1tnXtdrTZer8CeWNBSCiGaPwmC4hGF5fDoKB4zRzJbLLbMneGyJikw7

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