Transaction not yet indexed

668BB88mmGmSSr3ZuxmTPfgr8esismwJroQPBGKKLigeWNeFjDLnSrd8HHg4SS7nfdkGLu8sBYGpXcCYwJWo2eG2

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