Transaction not yet indexed

21MKht311j4V7sP7ntjt59AXzuYYTHwAZt4b3dLH3oGH3uFHxDsBc7R2XtYZXxYjX1m9cAr7EZYqwPHSuZzPH36Z

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