Transaction not yet indexed

668Zv2xmsB1ATFxiAb9iTzPqpaqG9idCeR48ynst1cSdMPjW4E7mdJiB6u9bGUcJHJJZe5wh2rN3LBKuKf4Qqm3M

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