Transaction not yet indexed

6688bnt9MbLFu5rs8ZUGL8FHzAX8ZSBv7exbW2DkYwdFha4uRzFZDaLkdCdtHPqebxuRvqzuTs1En9aFAzbu1izT

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