Transaction not yet indexed

421HMJ3mdX6RKKrJRqbCkcfr32E2haqMYCJPchbLgsHw45WSrJiZGg4aVQ4dNBTPVDqozTztotCo4o7BGoEaMkHE

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