Axios response and Rails validations, errors json response

message_controller.rb

def create
    message = Message.new(message_params.merge({created_by: current_user.id}))
    if message.save
        render json: MessageSerializer.new(message, options).serialized_json
    else
        render json: { error: message.errors.messages }.to_json, status: 422
    end
 end

# Axios
axios.post(some_url, some_params).then(resp => {console.log(resp.data)}).catch(err => console.log(err.response.data);)