Transaction not yet indexed

6688jZ1B3NRrsgGWB88YdNAzqAVcLMACFbwifZnFAkxGhkE3RpduSN83kt8TupLXcrQojJaBMMPH3QPjM4BE6RYB

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