Transaction not yet indexed

MDUUrq44KgWqjiKAFrUpqa38oKroUcQYVMuoJTcmyyjRSSM9FEEbvhpB6JBf31oxaUDzKyxjitLqdAvTQSFunL8

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