Transaction not yet indexed

MfxssP7ExBcdg54bGhq9LEYwePpPAdaU4aXAYXPwUKBBjbYcWKVCc12yFz2Ra71hArTQtQ1ECatdWQWWjQxZbo2

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