Transaction not yet indexed

121n8AkRAkNFca7YncegptrrbaWqPqhfKM55WbVVCZKLraUcjcWLNXZH7G8GDoofdpYd6p4YAPL8J8jrELaPAtF4

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