curl --request GET \
  --url https://api.fourthwall.com/open-api/v1.0/memberships/tiers \
  --header 'Authorization: Bearer <token>'

[
  {
    "id": "<string>",
    "name": "<string>",
    "variants": [
      {
        "id": "<string>",
        "tierId": "<string>",
        "interval": "ANNUAL",
        "amount": {
          "value": 10,
          "currency": "USD"
        },
        "offerId": "<string>"
      }
    ],
    "imageUrl": "<string>"
  }
]