Transaction not yet indexed

668CZuK29GoY17dabc2uVgPMkX8nKY4YaV2YE38gYeWuuHAWFnUsqw8ZCVW1P9i2dsguehGGbThagaJ6NGqZUovP

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