Transaction not yet indexed

DuM18kMeScZnvrdC9V2ADgmiUe2a2v6Y3M8s9KisU9oNWJ9nqbENyN4fouHE3KkFzFSQiUn3dnGUamn6rP6qbNj

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