
<tr>
  <td rowspan="1" valign="top">sarika1187@gmail.com
  </td>
  <td rowspan="1" valign="top">2010-12-26 00:55:18 PST
  </td>
   <td>
    Flag
   </td><td>
 </td><td>another-flag?(sarika1187@gmail.com)
 </td>
  </tr>

History of https://landfill.bugzilla.org/bugzilla-tip/show_bug.cgi?id=6513
{
 "bugs": [
  {
   "alias": "CracklyVoice",
   "id": 6513,
   "history": [
    {
     "changes": [
      {
       "removed": "",
       "field_name": "flagtypes.name",
       "added": "another-flag?, another-flag2+, blocker+"
      }
     ],
     "who": "joel.reuter@expeditors.com",
     "when": <DateTime"20090121T04: 43: 41"at7fcbe3f53a70>
    },
   ]
  }
 ]
}

Another history 
https://landfill.bugzilla.org/bugzilla-tip/show_bug.cgi?id=6196

    <tr>
        <td rowspan="1" valign="top">badevcich
        </td>
        <td rowspan="1" valign="top">2007-12-13 15:38:22 PST
        </td>

            <td>
                Flags
            </td><td>
  </td><td>another-flag?(badevcich)
  </td>
      </tr>

{
 "bugs": [
  {
   "alias": "GreatScott",
   "id": 6196,
   "history": [
    {
     "changes": [
      {
       "removed": "",
       "field_name": "flagtypes.name",
       "added": "another-flag?(badevcich@gmail.com)"
      }
     ],
     "who": "badevcich@gmail.com",
     "when": "<DateTime '20071213T23: 38: 22' at 7fbda0544908>"
    }
   ]
  }
 ]
}


-----------------------
{
    "version": "1.1",
    "result": {
        "bugs": [
            {
                "history": [
                    {
                        "when": "2011-04-04T00:19:04Z",
                        "who": "cebbert@redhat.com",
                        "changes": [
                            {
                                "removed": "",
                                "added": "xgl-maint@redhat.com",
                                "field_name": "cc",
                                "field": "CC"
                            },
                            {
                                "removed": "kernel",
                                "added": "xorg-x11-drv-ati",
                                "field_name": "component",
                                "field": "Component"
                            },
                            {
                                "removed": "kernel-maint@redhat.com",
                                "added": "xgl-maint@redhat.com",
                                "field_name": "assigned_to",
                                "field": "AssignedTo"
                            }
                        ]
                    },
                    {
                        "when": "2011-04-12T22:48:22Z",
                        "who": "mcepl@redhat.com",
                        "changes": [
                            {
                                "attachment_id": 488889,
                                "removed": "application/octet-stream",
                                "added": "text/plain",
                                "field_name": "attachments.mimetype",
                                "field": "Attachment mime type"
                            }
                        ]
                    },
                    {
                        "when": "2011-04-13T17:07:04Z",
                        "who": "mcepl@redhat.com",
                        "changes": [
                            {
                                "removed": "",
                                "added": "needinfo?(suckfish@ihug.co.nz)",
                                "field_name": "flagtypes.name",
                                "field": "Flags"
                            }
                        ]
                    },
                    {
                        "when": "2011-04-21T12:17:33Z",
                        "who": "mcepl@redhat.com",
                        "changes": [
                            {
                                "removed": "xgl-maint@redhat.com",
                                "added": "jglisse@redhat.com",
                                "field_name": "assigned_to",
                                "field": "AssignedTo"
                            }
                        ]
                    },
                    {
                        "when": "2011-04-28T22:53:58Z",
                        "who": "mcepl@redhat.com",
                        "changes": [
                            {
                                "attachment_id": 488889,
                                "removed": "text/plain",
                                "added": "application/octet-stream",
                                "field_name": "attachments.mimetype",
                                "field": "Attachment mime type"
                            }
                        ]
                    },
                    {
                        "when": "2011-04-28T22:59:18Z",
                        "who": "mcepl@redhat.com",
                        "changes": [
                            {
                                "attachment_id": 488889,
                                "removed": "application/octet-stream",
                                "added": "text/plain",
                                "field_name": "attachments.mimetype",
                                "field": "Attachment mime type"
                            }
                        ]
                    }
                ],
                "id": 692250,
                "alias": []
            }
        ],
        "faults": []
    }
}