Transaction not yet indexed

21U7mCRM54t34DcnFvV8VTFtF8oa1knk8qbFGqt9Pg2aesCU3DPyF5jTAKGe3KPyKsGxp4kRLTURSkAcmHx4LwXQ

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