Transaction not yet indexed

21Mt7rFtSE9BWJCbDNAepqFr8LzJfRbkK46MfH3e4gjMdkyRmBAeN6KksZXrF7q1XQLoo31GDL4puQXVRAUfYgdH

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