Transaction not yet indexed

668rPoj5uR92hCDBUssXMQRDAtLESYsnGvdGQ6ULM9e8AtJWxw1NEvYuVThMz1a6aWrJYrPSYTS2WMeasaCNL8WD

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