curl --request GET \
  --url https://mcp.echozero.app/api/v1/developers/agents/{id}/subscribers \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "data": {
    "items": [
      {
        "anonymizedSubscriberId": "<string>",
        "subscribedAt": "2023-11-07T05:31:56Z",
        "claimableFeesUsd": 123,
        "totalFeesEarnedUsd": 123,
        "totalFeesClaimedUsd": 123,
        "monthlyPrice": 123,
        "successFeePercent": 123
      }
    ],
    "pagination": {
      "total": 123,
      "limit": 123,
      "page": 123,
      "totalPages": 123,
      "hasNextPage": true,
      "hasPreviousPage": true
    }
  }
}