{
    "migrations": [
        {
            "created_at": "2012-10-29T13:42:02.000000",
            "dest_compute": "compute2",
            "dest_host": "1.2.3.4",
            "dest_node": "node2",
            "id": 1234,
            "instance_uuid": "instance_id_123",
            "new_instance_type_id": 2,
            "old_instance_type_id": 1,
            "source_compute": "compute1",
            "source_node": "node1",
            "status": "done",
            "updated_at": "2012-10-29T13:42:02.000000"
        },
        {
            "created_at": "2013-10-22T13:42:02.000000",
            "dest_compute": "compute20",
            "dest_host": "5.6.7.8",
            "dest_node": "node20",
            "id": 5678,
            "instance_uuid": "instance_id_456",
            "new_instance_type_id": 6,
            "old_instance_type_id": 5,
            "source_compute": "compute10",
            "source_node": "node10",
            "status": "done",
            "updated_at": "2013-10-22T13:42:02.000000"
        }
    ]
}