Transaction not yet indexed

Xt99hWTZqV1jPy1j9dqo7ct2JfY9UMEJWWWaMD8bAu4uQambrvujeFp42tuwZvU5q3SfMnPkZRQJHxpPfQp8crW

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