Transaction not yet indexed

21zmkEA7w66APvnUDDHntxciGVQDRLvV4qHe4B1aayXv3d3epkLbtA7hd4W3KbSL7wPaiP7AMkGPvF5FGQcb5fpn

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