Transaction not yet indexed

Nfu4VuFNSHusMHhQkyzmBShgEHh4SbqYQHJjoqHvSC9VVe1Ad9hfBEgTeRY2fj8hw2aCL9DLb3FDFoobBKPoAG8

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