Transaction not yet indexed

668EkLNby8YaQiyEAdV5iWCSvoiiLZcriMTTv6XNHmTeUea9p3cP7AdAYyLu4m6tdG9yCi88vRW1uhsAvEPk7XfR

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