Transaction not yet indexed

21X3CSM2u39y8chXwM4U8AqDjwGbwYyMfSGk3uAWFuQ9UzERCiQFkcUAppUmPB6qXJa6TaKbLT2zPhRwHdGRLSCm

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