Transaction not yet indexed

My64BmLwVmupDasNwhF2UB9vbPFT5n6aGR6kx26CqtPHRxJKK8FVC79QqrUKmUam5MUmvsdS7yaFBwNx2ksbRWC

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