Transaction not yet indexed

Am9LpEzemJAeXHMWBuWD5fLhkNwmR9ES8uiPgCK3qF2jSpKLaf71aqFd2aPr1xsgMATvbZDkZsLDRvhY3vfd1XX

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