Transaction not yet indexed

21Nng3jzdWsYAgrMMpVTzaEkjTmm3QGc5RJaJJTcAmBPHcGgqiyCVLMaKJcsH2Hkzz7jJkRKHdN6tkRUa3uMucnG

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