Transaction not yet indexed

5MEMxdWBRs5Nrac1eu8MvewD3DR1R3ZUT64b2cvQCCom4c2YfAPrGd4ZG2fj2WfNSg5m4gsX1eGyJCUuZbAvhn12

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