Transaction not yet indexed

668MLTn7tAYoefRSqAtdpZcL99hVH4su4ptf6DWcJs9YCghA7KDngrEemJEfX9pddfURDJUSZdxSP6Sr4FEoB2LE

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