Transaction not yet indexed

21XptXiNbWH13GzK4S2nPH8aFqLon8UnR8akRekZ7mNvcw9wZS7zY1N6aHsB1ZDq8EMjqRHrS5DAH5HHK4aYT3wk

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