Transaction not yet indexed

ismmfBXR19Da2wh9WtjALU1YfHjGFpwmyZ7fow1BBQLkcDDANZFPZbMCHA6SzNQfCxXpnkczWS842CSgnqWGK3k

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