async def broadcast_beacon_block(self, block: BaseBeaconBlock) -> None:
    (await self._broadcast_data(PUBSUB_TOPIC_BEACON_BLOCK, ssz.encode(block)))
async def broadcast_beacon_block(self, block: BaseBeaconBlock) -> None:
    (await self._broadcast_data(PUBSUB_TOPIC_BEACON_BLOCK, ssz.encode(block)))