Transaction not yet indexed

21n8FrcHt2VbAXWaDkQpHbCv56byFwBUYP5mDmUZ7u8PCZcZ1QR9h4aUnaUSQCKfJCaipeNLrtohGYsQMscz1oMT

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