Retrieve existing collection content

{
  "type": "object",
  "properties": {
    "accessKey": {
      "type": "string"
    },
    "id": {
      "type": "string"
    },
    "secretKey": {
      "type": "string"
    }
  },
  "required": [
    "accessKey",
    "id",
    "secretKey"
  ],
  "additionalProperties": false
}