Transaction not yet indexed

21R4MkKFez9Exh9LayPDWXHsv7kPcsddWX5jTvbLkpheeSwY7YveWBYcun1CnkxeLy3XV51AVZyvRRRgs3KRrSME

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