/v1/promotion/tiers

{
  "tiers": [
    {
      "id": "advocate",
      "min": 100,
      "name": "Advocate"
    },
    {
      "id": "ambassador",
      "min": 500,
      "name": "Ambassador"
    },
    {
      "id": "champion",
      "min": 2000,
      "name": "Champion"
    },
    {
      "id": "legend",
      "min": 5000,
      "name": "Legend"
    }
  ]
}