Transaction not yet indexed

666zNuULe28QDaHw8t8Hp8cwtbW7ME3L56U1QKd7ob3q4NfJgWZGYVJFEop2fevY2Jk2aendmBhi3ZrxYNWfe1mD

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