USPS-REST - Authenticate

{
  "carrier": "USPS-REST",
  "action": "authenticate",
  "params": {
    "client_id": "abc123",
    "client_secret": "def987",
    "test": true
  }
}

<?php
$rs = new RocketShipIt;
$response = $rs->request(
array (
  'carrier' => 'USPS-REST',
  'action' => 'authenticate',
  'params' => 
  array (
    'client_id' => 'abc123',
    'client_secret' => 'def987',
    'test' => true,
  ),
)
);

rs.request(
  {'action': 'authenticate',
 'carrier': 'USPS-REST',
 'params': {'client_id': 'abc123', 'client_secret': 'def987', 'test': True}}

)

rs.request(
  {"carrier"=>"USPS-REST",
 "action"=>"authenticate",
 "params"=>{"client_id"=>"abc123", "client_secret"=>"def987", "test"=>true}}

)

rocketshipit.request(
  {
  "carrier": "USPS-REST",
  "action": "authenticate",
  "params": {
    "client_id": "abc123",
    "client_secret": "def987",
    "test": true
  }
}
)