Transaction not yet indexed

21xkSE384uz5nKp9ZAi2H87HgAMTNDVdGq1D4s5cE9LXawuaaAqek9MLYh1g6N8PgbJtNRMSRx2qh2D6ttwXuiQC

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