Transaction not yet indexed

Mc21Juqa6yPi5wLP6K3nqeYawtw4eNtzo5wFsa5XpDJhcRaJ97hvsuQdzfvGBVVLaXVGsP7Au2kD5G4iDmo3mav

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