Transaction not yet indexed

53n19EUf6ezsqYEhNq48MBzXM9gQzPdEebo2PyDcyqWdYGy7AXd4XDiKb7znBmQMJ5h7VZPrrgQ6D5dumS15TPs7

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