async function a () {
    const size = 50

    let min_id = 0
    let messages, lastMessage
    let messagesDeleted = 0
    let messagesChecked = 0

    lastMessage = {id: 0}
    do {
        console.log(`messagesDeleted: ${messagesDeleted};      ;messagesChecked: ${messagesChecked}`)
        console.log(users)

        messages = (await modo.apiRequest('get', 'messages', false, {topic_id: 53554, min_id, size})).messages
        messages.unshift(lastMessage)
        console.log(messages)
        for (let i = 1; i < messages.length; i++) {
            if (messages[i].user_id === messages[i - 1].user_id && (
                messages[i].content === messages[i - 1].content || Date.parse(messages[i].created_at) - Date.parse(messages[i - 1].created_at) < 5000
            )) {
                messagesDeleted++
                await modo.deleteMessage(messages[i].id)
                console.log('deletedMessage', messages[i])
            }
            min_id = Math.max(min_id, messages[i].id)
            messagesChecked++
        }

        lastMessage = messages.pop()
    } while (messages.length > 1)
    console.log('done')
    console.log(`messagesDeleted: ${messagesDeleted};      ;messagesChecked: ${messagesChecked}`)
}