curl --request GET \
  --url https://api.zerion.io/v1/tx-subscriptions/{subscription_id}/wallets \
  --header 'Authorization: Basic <encoded-value>'

{
  "links": {
    "self": "https://api.zerion.io/v1/tx-subscriptions/77e77447-1586-40e8-a75b-467ef939a0b1/wallets?page%5Bsize%5D=10",
    "next": "https://api.zerion.io/v1/tx-subscriptions/77e77447-1586-40e8-a75b-467ef939a0b1/wallets?page%5Bsize%5D=10&page%5Bafter%5D=MjAyNS0xMC0wMVQxMjowNzo1NlosNjhkZDE5OWMyMDFlODI3ODQzZmZkN2Jl"
  },
  "data": {
    "type": "transactions_subscription_wallets",
    "id": "52d994a173d755e99845e861d534a419-wallets",
    "attributes": {
      "addresses": [
        "0x42b9df65b219b3dd36ff330a4dd8f327a6ada990"
      ]
    },
    "relationships": {
      "subscription": {
        "links": {
          "related": "https://api.zerion.io/v1/tx-subscriptions/8bf9db31-eb59-4fa9-973c-34e3428acf5d",
          "self": "https://api.zerion.io/v1/tx-subscriptions/8bf9db31-eb59-4fa9-973c-34e3428acf5d/wallets?page%5Bsize%5D=10",
          "next": "https://api.zerion.io/v1/tx-subscriptions/8bf9db31-eb59-4fa9-973c-34e3428acf5d/wallets?page%5Bsize%5D=10&page%5Bafter%5D=MjAyNS0xMC0wMVQxMjowNzo1NlosNjhkZDE5OWMyMDFlODI3ODQzZmZkN2Jl"
        },
        "data": {
          "type": "subscription",
          "id": "8bf9db31-eb59-4fa9-973c-34e3428acf5d"
        }
      }
    }
  }
}