Transaction not yet indexed

UWK8Kvmj8EKDGWf7BWTZKmGtoCBj5ESx7ENpwvRTPLMbPCFpvxH8eAvYpGkVyeCmf37wag8QJ1S8QCimgnNk7Um

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