Transaction not yet indexed

21FwkMcMkq5TYDQ8vpixt77mk1RousMu5zGe6o2MQdczpMUahcgcNPfu3FExJMqa1GRBxKfuWVPoqLLuJfUPFbSm

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