Transaction not yet indexed

Tan6i18E9Y4i641H2rvTUmaEgkpYRHK6CWPwsqf9jPQc47YA3gDBxcYuHfMLKAEUUSbMB8XUCxkkApFooWvoQWQ

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