Transaction not yet indexed

5C21A1KLx9Fep6raVA76sapdRzbRBdHeq18qsvCmbuYFWPEhqztQrstqaYmz6XE1Ego7GEXSbvbNGCED7TfHXtXU

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