Transaction not yet indexed

ex8ZDdihTQscvBXGqZJaXHnJosRjMPxnXeHyFb7Fn3sfdSm5tXejgxTUmLwuZJCmYiu99oaZDT1obx7pbknVepV

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