Transaction not yet indexed

21LdsnuwC655mW13e2FPQbtjCE8qVs2YWro9YjVXxupuf5ZtwMvgPWgjWtihcXXdVqAmUz2mH24GVWX56upBSwv3

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