Codec error handling activity stream collection

[OR13]

{
  "@context": "https://www.w3.org/ns/activitystreams",
  "summary": "Object history",
  "type": "Collection",
  "totalItems": 2,
  "items": [
    {
      "type": "Create",
      "actor": "http://www.test.example/sally",
      "object": "http://example.org/foo"
    },
    {
      "type": "Like",
      "actor": "http://www.test.example/joe",
      "object": "http://example.org/foo"
    }
  ]
}

Seeing

    -     Object {
    -       "actor": "http://www.test.example/sally",
    -       "object": "http://example.org/foo",
    -       "type": "Create",
    +     Map {
    +       143 => 15,
    +       64 => "http://www.test.example/sally",
    +       112 => "http://example.org/foo",
          },
    -     Object {
    -       "actor": "http://www.test.example/joe",
    -       "object": "http://example.org/foo",
    -       "type": "Like",
    +     Map {
    +       143 => 33,
    +       64 => "http://www.test.example/joe",
    +       112 => "http://example.org/foo",

[dlongley]

Closing as stale. Once version 4 is out if this continues to be a problem please reopen.