Transaction not yet indexed

21AYkBmtPEmU3wzRTLL3aEP45sCQaDuv42YegWy5HaKsbFP2wk7eB2AUWgHkyRGVnWiyPLdk9xG1mjXQDwZCAvED

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