Transaction not yet indexed

MEb91YDEvbEDP2sVuaiteN5QinpgVppSkiEzgJTm6SqnfMh68wp1t6PvsNEpBsSfXd9gMLtDn8FDjdRAz8GsTRQ

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