Transaction not yet indexed

NUgnmkpxFZHf4gNnQ2i7zQa4eLagRueSsbao19193o7rTtRGML8vugqj2Bp1zuT6qRGLTCj2NjCdQYKaJQMbYzQ

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