Transaction not yet indexed

MmKYk7y3fS5qXMwtjMLdgnCzKB456w7sAFNFqJniaFfen4Bpr9cvY5QqZawPiDg65g1vp6jvuQ9DcshGvgJ4b3Y

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