React+Pusherを利用したチャット機能の問題

概要

現在、React+Laravelを利用してリアルタイムチャット機能の実装を行っています。
そこで、メッセージのPusherへの送信はできるのですが（Pusherのコンソールで確認）、PusherからのデータをReactで受け取ることができません。自分なりに色々試してみましたが、解決せず…。
どなたか解決方法のご教授お願い致します。

該当のコード

import React, { useEffect } from 'react'

import { useDispatch, useSelector } from 'react-redux'

import { useChannel, useEvent } from 'use-pusher'

import styled from 'styled-components'
import Button from '@material-ui/core/Button'
import IconButton from '@material-ui/core/IconButton'
import Dialog from '@material-ui/core/Dialog'
import DialogActions from '@material-ui/core/DialogActions'
import DialogTitle from '@material-ui/core/DialogTitle'
import Divider from '@material-ui/core/Divider'
import TextsmsIcon from '@material-ui/icons/Textsms'
import TelegramIcon from '@material-ui/icons/Telegram'

import Chat from './../../../models/Chat'
import User from './../../../models/User'
import Board from './../../../models/Board'

import Pusher from 'pusher-js'

const ChatDialog = props => {
    const { open, onClose, fullScreen } = props
    const [msg, setMsg] = React.useState('')
    const [messages, setMessages] = React.useState([])
    const userID = useSelector(state => state.UserReducer.userID)
    let isChanged = true

    useEffect(() => {
        // Pusher用のキーを設定
        const pusher = new Pusher(process.env.MIX_PUSHER_APP_KEY, {
            cluster: process.env.MIX_PUSHER_APP_CLUSTER,
            encrypted: true
        })
        // チャンネルの購読
        const channel = pusher.subscribe('chat')
        channel.bind('ChatMessageReceived', data => {
            console.log(data)
            setMessages([...messages, data])
        })
    })
    useEffect(() => {
        const token = JSON.parse(User.get('token')).token
        const boardID = Board.getBoardID()

        if (token) {
            Chat.get(token, boardID)
                .then(res => {
                    setMessages(res.data.messages)
                })
                .catch(e => {
                    console.log(e)
                })
        }
    }, [isChanged])

    const handleOnChangeMsg = e => {
        setMsg(e.target.value)
    }

    const handleSendMsg = () => {
        const token = JSON.parse(User.get('token')).token
        const boardID = Board.getBoardID()

        if (token) {
            Chat.send(token, boardID, msg)
                .then(res => {
                    setMsg('')
                })
                .catch(e => {
                    console.log(e)
                })
        }
    }

    const messageList = (
        Array.from(messages).map((msg, i) => (
            <React.Fragment key={i}>
                {msg.user_id === userID ? <UserMsg>{msg.message}</UserMsg> : <Msg>{msg.message}</Msg>}
            </React.Fragment>
        ))
    )

    const fullDialog = (
        <Dialog
            fullScreen
            open={open}
            scroll="paper"
            aria-labelledby="alert-dialog-title"
            aria-describedby="alert-dialog-description"
        >
            <Flex>
                <StyledDialogTitle><StyledTextsmsIcon /><Span>チャット</Span></StyledDialogTitle>
                <StyledDialogActions>
                    <Button onClick={onClose} color="primary" autoFocus>
                        <Span>閉じる</Span>
                    </Button>
                </StyledDialogActions>
            </Flex>
            <DialogContent>
                <Textarea placeholder="メッセージを入力" onChange={handleOnChangeMsg} value={msg}></Textarea>
                <StyledIconButton onClick={handleSendMsg}><StyledTelegramIcon /></StyledIconButton>
            </DialogContent>
            <MessageArea>
                {messages.length === 0 ? <p>メッセージがありません</p> : messageList}
            </MessageArea>
        </Dialog >
    )
    const nonFullDialog = (
        <Dialog
            open={open}
            scroll="paper"
            fullWidth={true}
            maxWidth="sm"
            aria-labelledby="alert-dialog-title"
            aria-describedby="alert-dialog-description"
        >
            <Flex>
                <StyledDialogTitle><StyledTextsmsIcon /><Span>チャット</Span></StyledDialogTitle>
                <StyledDialogActions>
                    <Button onClick={onClose} color="primary" autoFocus>
                        <Span>閉じる</Span>
                    </Button>
                </StyledDialogActions>
            </Flex>
            <DialogContent>
                <Textarea placeholder="メッセージを入力" onChange={handleOnChangeMsg} value={msg}></Textarea>
                <StyledIconButton onClick={handleSendMsg}><StyledTelegramIcon /></StyledIconButton>
            </DialogContent>
            <MessageArea>
                {messages.length === 0 ? <p>メッセージがありません</p> : messageList}
            </MessageArea>
        </Dialog >
    )

    return (
        <>
            {fullScreen === true ? fullDialog : nonFullDialog}
        </>
    )
}

const Flex = styled.div`
    display: flex;
    justify-content: space-between;
    background-color: #224272;
`
const Textarea = styled.textarea`
    resize: none;
    width: 100%;
    height: 35px;
    border: 1px solid #224272;
`
const Span = styled.span`
    font-size: 0.9em;
    color: white;
`

const StyledDialogTitle = styled(DialogTitle)`
    color: white;
`
const DialogContent = styled.div`
    height: 45px;
    display: flex;
    justify-content: space-between;
    padding: 0;
    padding-left: 5px;
    padding-top: 5px;
`
const MessageArea = styled.div`
    height: 450px;
`
const StyledDialogActions = styled(DialogActions)`

`
const StyledIconButton = styled(IconButton)`
    vertical-align: middle;
    padding: 0 10px;
    height: 35px;
`

const StyledTextsmsIcon = styled(TextsmsIcon)`
    vertical-align: middle;
    margin-right: 3px;
`
const StyledTelegramIcon = styled(TelegramIcon)`
    vertical-align: middle;
    padding: 0;
`

const Msg = styled.p`
    width: 100%
    text-align: left;
`
const UserMsg = styled.p`
    width: 100%
    text-align: right;
`

export default ChatDialog