Transaction not yet indexed

21S5SmH2dBYnLqkysMaBAw6wEcmGPwS4KfT1HWcWJJbnqvdAzmBRwfuqmwATqoYfgYPWCdgG4drLH7CPJYc4aFCX

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