Transaction not yet indexed

5UcXXX961unfsk7bcNPSUV9QJo1pfiR5QaGj7bfYYFDpuTKA9Y5sAk5MhB964eLvQYEfXzi2RL6eVdKsiJ7G18ov

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