Transaction not yet indexed

UQf66pCEFbNDBUXcmoZRLbX4PL4Dw1iBDjPE5CkFoJKZTTZw5gjK1V5xSTiRZx1r5Gik99A2t1JHAe78AS7feYP

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