Transaction not yet indexed

668Q2PnKcuJMu2R4zMpFH6DyeMSBXgkxpMJopVPi2qeB1m3kHL1V3ZNRbKSSss935XfFKSvw4yJX39DibPN2xR2a

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