object(stdClass)#7 (1) {
  ["events"]=>
  array(2) {
    [0]=>
    object(stdClass)#1 (5) {
      ["replyToken"]=>
      string(32) "00000000000000000000000000000000"
      ["type"]=>
      string(7) "message"
      ["timestamp"]=>
      int(1591760822008)
      ["source"]=>
      object(stdClass)#2 (2) {
        ["type"]=>
        string(4) "user"
        ["userId"]=>
        string(33) "Udeadbeefdeadbeefdeadbeefdeadbeef"
      }
      ["message"]=>
      object(stdClass)#3 (3) {
        ["id"]=>
        string(6) "100001"
        ["type"]=>
        string(4) "text"
        ["text"]=>
        string(12) "Hello, world"
      }
    }
    [1]=>
    object(stdClass)#4 (5) {
      ["replyToken"]=>
      string(32) "ffffffffffffffffffffffffffffffff"
      ["type"]=>
      string(7) "message"
      ["timestamp"]=>
      int(1591760822008)
      ["source"]=>
      object(stdClass)#5 (2) {
        ["type"]=>
        string(4) "user"
        ["userId"]=>
        string(33) "Udeadbeefdeadbeefdeadbeefdeadbeef"
      }
      ["message"]=>
      object(stdClass)#6 (4) {
        ["id"]=>
        string(6) "100002"
        ["type"]=>
        string(7) "sticker"
        ["packageId"]=>
        string(1) "1"
        ["stickerId"]=>
        string(1) "1"
      }
    }
  }
}