Transaction not yet indexed

4S21TUp2H2iEVk3Aki52DsXDoZcL3CNZJvEkv2mqFMJh4pH2iVhV4bVp3S6T3Mk2gHHawAMNffVkfEekThqV5Adw

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