Transaction not yet indexed

MydM9XD7gE1VbqCxs39htx6px9pbkBtXsxD4XKm5pCzRLiCwHWBMNg8dXPgYVNeaWR3uvH1aX9e7bTix928buNM

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