Transaction not yet indexed

Nu8xUbMjGNSuMmQ1hUznBnYWCUNbJTb9mKD3xwWi8LHoRih8QAmTRrcBejofCua4ZC3FiSgsnnggg6hK4DMSHV3

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