Transaction not yet indexed

1GReTRfSiDkQr69YUm23nPdwU13NKBAaKvanMwrcxwBEqXF7TXXvynQX9Xw1T3XjYA8rtNyUBgB9jT1uAo6f93t

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