public function prepare_data( $request_data ) {
		/**
		 * Filters the Cart data before sending to the prepare method.
		 *
		 * @since 5.1.9
		 *
		 * @param array $request_data The cart data before processing.
		 */
		$request_data = apply_filters( 'tec_tickets_commerce_cart_pre_prepare_data', $request_data );

		if ( empty( $request_data['tribe_tickets_ar_data'] ) ) {
			return [];
		}

		/** @var \Tribe__Tickets__Tickets_Handler $handler */
		$handler = tribe( 'tickets.handler' );

		$raw_data = $request_data['tribe_tickets_ar_data'];

		// Attempt to JSON decode data if needed.
		if ( ! is_array( $raw_data ) ) {
			$raw_data = stripslashes( $raw_data );
			$raw_data = json_decode( $raw_data, true );
		}

		$raw_data = array_merge( $request_data, $raw_data );

		$data             = [];
		$data['post_id']  = absint( Arr::get( $raw_data, 'tribe_tickets_post_id' ) );
		$data['provider'] = sanitize_text_field( Arr::get( $raw_data, 'tribe_tickets_provider', Module::class ) );
		$data['tickets']  = Arr::get( $raw_data, 'tribe_tickets_tickets' );
		$data['meta']     = Arr::get( $raw_data, 'tribe_tickets_meta', [] );
		$tickets_meta     = Arr::get( $raw_data, 'tribe_tickets', [] );

		$default_ticket = [
			'ticket_id' => 0,
			'quantity'  => 0,
			'optout'    => false,
			'iac'       => 'none',
			'extra'     => [],
		];

		/**
		 * @todo Determine if this should be moved into the Ticket Controller.
		 */
		$data['tickets'] = array_map( static function ( $ticket ) use ( $default_ticket, $handler, $tickets_meta ) {
			if ( empty( $ticket['quantity'] ) ) {
				return false;
			}

			$ticket = array_merge( $default_ticket, $ticket );

			$ticket['quantity'] = (int) $ticket['quantity'];

			if ( $ticket['quantity'] < 0 ) {
				return false;
			}

			if ( ! empty( $tickets_meta[ $ticket['ticket_id'] ]['attendees'] ) ) {
				$ticket['extra']['attendees'] = $tickets_meta[ $ticket['ticket_id'] ]['attendees'];
			}

			$ticket['extra']['optout'] = tribe_is_truthy( $ticket['optout'] );
			unset( $ticket['optout'] );

			$ticket['extra']['iac'] = sanitize_text_field( $ticket['iac'] );
			unset( $ticket['iac'] );

			$ticket['obj'] = \Tribe__Tickets__Tickets::load_ticket_object( $ticket['ticket_id'] );

			if ( ! $handler->is_ticket_readable( $ticket['ticket_id'] ) ) {
				return false;
			}

			return $ticket;
		}, $data['tickets'] );

		// Remove empty items.
		$data['tickets'] = array_filter( $data['tickets'] );

		/**
		 * Filters the Meta on the Data before processing.
		 *
		 * @since 5.1.9
		 *
		 * @param array $meta Meta information on the cart.
		 * @param array $data Data used for the cart.w
		 */
		$data['meta'] = apply_filters( 'tec_tickets_commerce_cart_prepare_data_meta', $data['meta'], $data );

		/**
		 * Filters the Cart data before sending to to the Cart Repository.
		 *
		 * @since 5.1.9
		 *
		 * @param array $data The cart data after processing.
		 */
		return apply_filters( 'tec_tickets_commerce_cart_prepare_data', $this->get_repository()->prepare_data( $data ) );
	}