Transaction not yet indexed

21C6KY191PFMVdze5uSxPtWJkXf7AJpCrRH29Sr8k68X97qm7N4weYkhKDLhVCK9NxJ731f9ZVLUX3JM9S3mLgi9

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