Transaction not yet indexed

AMA18QPPuvw7YJCN62qBJXhxLnLbPBcdJCjA2GhAtN23c7iJV9tY8oo2fTN152bhfy2HE9Es9mSMMMoCfs2AQEY

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