Transaction not yet indexed

5MB21ChqA7NmygcnnDpCFpSSZp1Xsh98bCXzH1xjt7ktMvYa3KeFqa1NztzPWd3U8yX4un1M3RAtKrpji2pNM9Fe

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