Transaction not yet indexed

6688KTWfVu38vQXoM87g5She52cCJGBdtEL7M7EL3BRbJ1UEJ5foqiiSNCkxHhUzCVZyKte7nk8LW8JzJpHHbHYx

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