Transaction not yet indexed

421tsaxTftqLn5md29YR64Y46pnH6QbjiERW3YyAYtpvxCSrxTi6ZZQ4cK18HmwwLDAgCKzpoyHWX5Zy5hoA8Adu

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