Transaction not yet indexed

MQ6LmkJJnp2dZVSbzeAwCdt12yzoSVvbwJbEPtskMjotAbDzYtjJJcLXQN6WXs1joedJEnKiWE2JJE6qKEFm5Tp

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