Transaction not yet indexed

2st6mE4zQ6YWuAjcqBCmNqZCocmMCoE2M3YvK38DPTVDUCL7EusnyQnhnJKvsHqcCsfzq7vaG7jjvEFhypyLBTuY

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