Transaction not yet indexed

21m5iSSaTH8wZ6xXJiJFmfQEwcPAxSPYZgb4DSfa3iZsYsBnJh2aSZVrKBraDDe7382W1YNQcdZK9ttbLM8kAkA1

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