Transaction not yet indexed

599nkFdNauYNKAGeFwXPgwGQUJAzWwTb9UrKKKmszEg9XAMs3ycp4ukd9mSMEkAkZxorbaAv2hbFae3cbbanKZu6

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