Transaction not yet indexed

Mmb1eGrMokpSo4P7SAVaqvgrHjdgvZrsgd4DE7NSHcPfBUSX1zTNrdovte3H6BaZwpREKsSirQJKfZCCvP6qjDQ

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