Transaction not yet indexed

668GR7tpLLdc5TPbUgJpRhMS86NWEsFjmWzSrd9Xa79Cj1oWfgqJR9bBUnaxvSTBDJsuyHbdAc63qBVy4Vn8JqW2

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