Transaction not yet indexed

Nmg9ihbDR2oV6brPysN8VJYngrLWhwpdyE863YXKv1jQRpPCjrhugMcSPMHm5q2nHB8UVCAR2eBo3J1b9SpBPkP

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