Transaction not yet indexed

HCUN2478dkKLL1NVC2EHup3MPzXda7xwkoRgHAxfeUvEoZdJkUqHeZCQUxFWmP1gPEhXqWsqGoDFpc5QXXGoCCa

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