Transaction not yet indexed

MkyfUS6gftH44jzq4S2oKjaHnF6GDezMPKjjsx5LTs3YZd5YuBVqkemkDHrqt2tJUSp6mmUWZM9JB8GeYtrp4cb

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