Transaction not yet indexed

21sF6K8tAQteuDvGfQjSaRwqCoMgh19EZGq6b87xgK6R5WGPg3JDHc2pdZsG9y8yiWTHmX1sFu2SgiHbLndApcz4

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