Transaction not yet indexed

21CkjLK3xckLm6pmssd2HH9vRf6vAyu8wregapxyjgSxgaEh6enGp9zGeqtGZsCDpFBVC6pp7F4xfAbgxfh4GQFJ

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