Transaction not yet indexed

21ifQ467ApEhhMF1d1ea8zGSG5bbmjztGpfxZbuSTkracyKZC6CQzWNkKRFGRZdUDcwMU8GcedVGCn8uVPJSSqS5

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