Transaction not yet indexed

668M6QKkZGAFFvWS4MG4Dw4wcRaxR8HddFNQQFCbxas1sJiQhjoU3NPCsH92TQdvSSJkjn85KBuYfU3sxU2c8Dmt

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