Function rest_submit_service_submit_transaction 

async fn rest_submit_service_submit_transaction<S>(
    __arg0: State<Arc<S>>,
    headers: HeaderMap,
    __arg2: Json<SubmitTransactionRequest>,
) -> Result<Json<SubmitTransactionResponse>, RestError>
where
    S: SubmitService + Send + Sync + 'static,

SubmitTransaction - JSON endpoint.

POST /v2/submit/transaction