Transaction not yet indexed

21NuzCREY9pezqWf7Z5j3a7v6eZHtP3pHLmmp24v2ZCyQbZXEWZ5vE3yaMuat1rYcm4iteYf2dffen5z6cLHhShT

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