Transaction not yet indexed

21WCkUkxeRioJgUn8dSN8SHEJaTLWXTqPjmJMJcH4wbUwgacFyH8MPpnVSgW4RvxTkB8QGLGVMDzvauVVGGT1NwY

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