Transaction not yet indexed

2ExMc3PM6FcNjt1mcGS5TBCqnUYQ3Qza4mDBHwe46S4Su9So9WWhkXeK4G7bCHiu7zQ8TaNPbCo5LRwLy5DV4bRX

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