Transaction not yet indexed

21cTmFgXHBmSmYcvfbgpB8dANbG4ZsujMMTiM1S5nUSTCEQoQMZimr1DiAMzAhBbxxXPFNwh5ErzYZFUFcJwBTvF

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