Transaction not yet indexed

668eWXp7jM1ocLXMbd2ABoJsMVhWvTyGbhXaKhgEvSiLzKVw8CUG8xLLhHTgHCFeAqQBpG8tJzUs8dnUqDwCT1a8

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