Transaction not yet indexed

Qu6QKucfoxQkuPUpHS5EkmXVWzwvvRXdkwPLdk4TNRygCMqADDrhAqbgqEZHDqy1o7NXPXX5VpekFmfaSRrGR35

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