Transaction not yet indexed

NWk12ZQgGEgVQS8hkphGUxPBZK3XkRY8873y4qaFrwvFt6rpsbJbKyKkNjz6r2ySYZKZXeRHk52SubYZh39MiBb

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