Transaction not yet indexed

MAMT38cHtiKtEkYDh2edEh5nMzQHj22btnJSrv2JD2mhVacWSg2E66KQVYuc8qxxjc38JKjvWj5XQ2jbCxZ6Yfa

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