Transaction not yet indexed

21UczK7ACiuiYrustHAtXPoj1WZDbpBPaKLSKvv8GXbJxLnUnrJARb4r4AmBb1uYFnquipfDQ3pt5EXSnKfNJknB

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