{
  error: {
    error_code: 15,
    error_msg: "Access denied: no access to call this method",
    request_params: [
      { key: "oauth", value: "1" },
      { key: "method", value: "wall.post" },
      { key: "v", value: "5.78" },
      { key: "message", value: "test_api" },
      { key: "owner_id", value: "184591202" }
    ]
  }
}