Transaction not yet indexed

21a8CdK7RTgrLVS5eGuya37RRFx57SwW8oq7357QWu6HLp7okDpdQnd3k2Y8XaQjuxgXv3FRLTP6rGiP6y4kfHpc

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