Transaction not yet indexed

21AdJgfjNuZx49eCxzZPsueUqJvmet7sCDWkd3ZeFePnF7ZDeEWT3B756eXVMv2QnYFE4tYkbSRHXPGJ6vuDfrUF

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