Transaction not yet indexed

21n51oHaJs12jmX9CyGD9iCNNTW8RnGWcwFcyTHwhXQNgHCLN4oFiHR2eWbx2MjuDjWbSZHLSYg1NhBLB3rXg2fr

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