Transaction not yet indexed

am1u6dNFawF1EG6aVhNdHrAwAoMk3n4DgU5vr3E6eTYzLkAkZ2WUcwASJbLVEPk2abP1WVai1EPYRU8HGYis78W

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