curl --request GET \
  --url https://api.example.com/api/realtime/permissions \
  --header 'Authorization: Bearer <token>'

{
  "subscribe": {
    "policies": [
      {
        "policyName": "allow_authenticated_subscribe",
        "tableName": "channels",
        "command": "SELECT",
        "roles": [
          "authenticated"
        ],
        "using": "enabled = true",
        "withCheck": null
      }
    ]
  },
  "publish": {
    "policies": [
      {
        "policyName": "allow_authenticated_publish",
        "tableName": "messages",
        "command": "INSERT",
        "roles": [
          "authenticated"
        ],
        "using": null,
        "withCheck": "true"
      }
    ]
  }
}