Transaction not yet indexed

AL21mdaMVT7ANJcFw3LJVqprpcZVeWie99ejoTbp3AtDYUqPAuKHsG2deMdWPNso9FCnkQA4KDaZKbJjCoqLfvt

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