Transaction not yet indexed

Xk4uSfFRKdZ3YNefdKGCfwefuPAoKc1z4pUp9ZFzcRPvjP2JhDiRqeeeW9FAV4XGY68oLdDq7z8E6H5kCpJvFr6

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