使用Ruby Net::HTTP错误100发布到Facebook Messenger

require 'net/http'

uri = URI('https://graph.facebook.com/v13.0/me/messages')
http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = true

request = Net::HTTP::Post.new(uri.path)
request['Content-Type'] = 'application/json'
request['Authorization'] = 'Bearer <access_token>'

payload = {
  recipient: {
    id: '<recipient_id>'
  },
  message: {
    text: 'Hello, Facebook Messenger!'
  }
}

request.body = payload.to_json

response = http.request(request)

puts response.code
puts response.body