Transaction not yet indexed

21MLt5ACjQK8oc4P7ryNXQiSV6UeGE9fvAbC72bEHErqSdGYQxo83et1bFaM5fPgr4US5kQWDWzcaT1zLZG6E5QH

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