Transaction not yet indexed

21NzSCppKBnypdLsHGuksS61vZhqjgKaQEqrMLLbFAFtVqzY8DTTKnYWR1AWXDhd8u2sgiXxheDvuZ3PQu6kDcDs

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