Transaction not yet indexed

21ykCf6u761o4HaRvwpfz5J693RDSmwsgGkX3vG9VA6B1pLtWPuANYF9Kv6oiV9ZAUqHXUd1HdZs1W3mPm8tEXUV

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