Transaction not yet indexed

668Nk35JpLdYX9PCJeaTSN71dUNdXDVUqjZWRVT7wgjvvC3rkLRfWtHz6i6QsJ1JdAZf1rkuoHCb1oQgFPLzhpUX

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