Transaction not yet indexed

Y88RBReyQfoGNk6H3e7hjm51FrUeU1Pep9d89gf3JJtDMQYACDVJRbBH9dsA3zkD5w2jVPd6Z7DbbWSvwFYF6Zo

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