Transaction not yet indexed

21Y52jKAa7CE53riapQKa5Rionp1aUBDhjMPBcoj2b5oFXAoDvZ4DWTzy79NnqDHdGbAXEC26dn4LmLG3SH8vsEP

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