Transaction not yet indexed

642mecTSJyZ8n3b9nKprfpErs9nmbWaeMwAZsvpRgeEJjtMu8hxkm3APPsmpv8AVtGxGLqFCcRd7tUEQ2iMrKa6U

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