Transaction not yet indexed

21mgwpsUp7UbD4nuRguK3VPirggri7WpMqBPFt4RYkvtsdepBs3UqeG8FA9nKV2Tm9KbBMnkPyykLVdTbWihgHL4

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