curl --request GET \
  --url https://external.pleo.io/v1/subscriptions/{id} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "createdAt": "2022-01-01T00:00:00Z",
    "endpointUrl": "https://example.com/webhook",
    "eventTypes": "v1.export-job.created",
    "id": "123e4567-e89b-12d3-a456-426614174000",
    "status": "ACTIVE",
    "updatedAt": "2022-01-10T00:00:00Z",
    "customHeaders": {
      "user": "pass"
    },
    "deletedAt": "2022-01-01T00:00:00Z",
    "deletedBy": "urn:pleo:organisation:12345678-1234-1234-1234-123456789012",
    "endpointAuth": {
      "credentials": {
        "password": "password",
        "token": "token",
        "username": "username"
      },
      "type": "NONE"
    }
  }
}