Transaction not yet indexed

421WUkvdt3TnDH6FR7hLHtSaqHWfAD9sqhKE9xJ7atnDkVjc3k7fEMpWLUWR9sJ2FLXquWuNPvrUqbopPW87hWD3

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