Transaction not yet indexed

6688VeZYoZQQYAdFJ5mwfM38RAsRot8t12KBG6cWrsQSFcadWSLZMfa2xsPtbp5mSuFGH9DbVC4Mu2bMzcY1NZWC

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