Transaction not yet indexed

21mTzYRJTmCVy2pUDaaEZbHNtKriCn8TPX2XVTbnXuAMaSmoyVCdSS8Upsv3LeM9FZHtyPFCzn3Sqy4pQ9A6L4vv

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