curl --request POST \
  --url https://api.{tenant}.getomneo.com/api/v3/groups/definitions/{group}/rules \
  --header 'Content-Type: application/json' \
  --data '
{
  "group_rule_definition_id": 123,
  "name": "<string>",
  "arguments": [
    "<string>"
  ],
  "sort_order": 1,
  "is_active": true,
  "meta": [
    "<string>"
  ],
  "evaluator": "<string>",
  "rule": "<string>",
  "rule_definition": "<string>"
}
'

{
  "data": {
    "id": 123,
    "group_definition_id": 123,
    "group_rule_definition_id": 123,
    "type": "<string>",
    "name": "<string>",
    "arguments": [
      "<unknown>"
    ],
    "sort_order": 123,
    "is_active": true,
    "meta": [
      "<unknown>"
    ],
    "effective": {
      "handle": "<string>",
      "evaluator": "<string>",
      "rule": {},
      "name": "<string>",
      "arguments": [
        "<unknown>"
      ]
    },
    "created_at": "<string>",
    "updated_at": "<string>"
  }
}