Transaction not yet indexed

21EF6Yjjf3FsqbNarM1b6ShBFRvoboAiFQb9buPeXjf1K1mPTRE2ZCU7aacS1dfenVcfTAA2aV1wL9UGcRC2RAt2

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