Function rest_catchup_service_get_catchup_fee_accounts 

async fn rest_catchup_service_get_catchup_fee_accounts<S>(
    __arg0: State<Arc<S>>,
    headers: HeaderMap,
    __arg2: Json<GetCatchupFeeAccountsRequest>,
) -> Result<Json<FeeMerkleTreeResponse>, RestError>
where
    S: CatchupService + Send + Sync + 'static,

GetCatchupFeeAccounts - JSON endpoint.

POST /v2/catchup/fee-accounts