Transaction not yet indexed

421akPhXLP1pU5AsQQbU1qHkMToSFjyyAXkxpFnZtY2tqkFWRrQH2UJmoBqRKLzHH8XfKwA1XkWjPXobJwFmN7Bd

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