Transaction not yet indexed

21sbHYYgwZ2YeJ3GEbGWgNgzR1AcZER6KXfyjWAPT4eYvkDbSGefYpZx8GMqrHokcL42jZTXFD7sFQdRfxa5Ekdp

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