Transaction not yet indexed

668Q5jVbgQiivjSgBBeZP4bQ4wwBSaQmuKDAYbENwANUNjy2g9iHmRgZPJJwDonqMZPC41L7aUJM1nmKDMEWrbWS

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