How to Async Sign Message in OCaml - Code Snippet

(* Task: Async Sign Message
(* Language: OCaml

let async_sign_message() =
    (* Implementation for Async Sign Message
    let result = ...; (* Initialize variable
    (* TODO: Implement core logic here
    (* Step 1: Prepare data
    (* Step 2: Process Async Sign Message
    print_endline("Done");
;;