Transaction not yet indexed

Hk21E7cDsvWbhnUkziBJyGbbeqPspnSmTVyyPSXsMHC3AX2nMsGeScp8Du7T7eZutxEE2BDK6J1hSbU7EMjdVEm

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