Transaction not yet indexed

21TfuuA4eo3N3ncTqNe8R4WDpUp46aDotF2S3ykmWnwwF9sJK4ZG5ufKTPZyuzdqkwZDo6q3ARdwBCsMLi1hkc1j

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