Transaction not yet indexed

MNmJByKajPVt5f1ka7F8AKPCFKEjAWH3skcjfPtiQLt4z4BbmWsPiixZ8HZ2Z8TgQy2YLdz5fJKNEQ8aurgLiSR

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