Transaction not yet indexed

668Zk9fv6RTGsUkmn8VbMHeo82Y4eFqw39gNgJASZAZhvh1JW63QEY5ZwQjtH2kkodP6nxf19xgaTrcPLE2fJKTz

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