Transaction not yet indexed

1fDUnswtL2JQeKQ3Dov4teygT8bDNvH2nFcAoh4ssGheeRXSWcqvyJV3Ck7hpa2aA7YhpDDG9gtpQzU2vRJ1m18

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