Transaction not yet indexed

5u91BSo6d8zECaM3znYUujx6yz3cLLqaifFYDwvVdqeKrdjrH4CRgAwZ1BoLurgmiUn4tp9jP75jFW3mGjBt3KU

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