Transaction not yet indexed

21TXKqUofRiAbzXSZDSQZKuVUZJcMFBCJBMafxoFS64uTqrEh2fbFwUWXw6TNJMtyp3mGad2hj5cpwxVLL5pDRPR

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