pub async fn sign_data(
    relayer_id: String,
    request: SignDataRequest,
    state: ThinData<AppState<JobProducer>>,
) -> Result<HttpResponse, ApiError>pub async fn sign_data(
    relayer_id: String,
    request: SignDataRequest,
    state: ThinData<AppState<JobProducer>>,
) -> Result<HttpResponse, ApiError>