Transaction not yet indexed

21Tdhmf5zmpDsnCKs4BMpbztbVnfH263hDmQu4htHA9EpVpdM4v1PFhbGPBkSwo9vQnt3KBPgQ7XKXujPaUgw3k8

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