Transaction not yet indexed

MtEx3SX8TM27k15AzajujU12krRcbsjmZB6wqLzoPrBJnTek2kZmb4Nrr2Ra5wpxGeWcor5gHMhG4K1HbHQPWaM

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