Transaction not yet indexed

5b21NdzQRKhrtJb9gascvBub992KBcxUSouK9aW2QyzgTYVCefzV9sB8zwaMSd3WdnVcg6EnzCpsHZQEZuKzrbHi

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