Save array of object in Loopback using Swift 3 + Alamofire

loopback-save-objects.swift

let financials = [
  [
    "amount": 777,
    "date": "2016-09-24",
    "rate": 1,
    "text": "string",
    "category": "string",
    "uuid": "string",
  ],
  [
    "amount": 888,
    "date": "2016-09-24",
    "rate": 1,
    "text": "string",
    "category": "string",
    "uuid": "string",
  ]
]
let data = try! JSONSerialization.data(withJSONObject: financials, options: [])
let jsonBatch:String = String(data: data, encoding: .utf8)!

Alamofire.request(API_URL, method: .post, parameters: [:], encoding: jsonBatch, headers: [:]).responseJSON { response in
  debugPrint(response)
}