Transaction not yet indexed

Xk6Uk2nqLF5QJV8ZC1WY2zY15t3GWWRBnvJ2R6uD9ZjjtSAGiEVwgoFrt3hwavaBztJTj2aystAKFLz6fYJtrtm

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