curl --request POST \
  --url http://localhost:8080/api/governance/routing-rules \
  --header 'Content-Type: application/json' \
  --data '
{
  "scope": "global",
  "name": "<string>",
  "cel_expression": "<string>",
  "targets": [
    {
      "weight": 0.5,
      "provider": "<string>",
      "model": "<string>",
      "key_id": "<string>"
    }
  ],
  "priority": 123,
  "description": "<string>",
  "enabled": true,
  "fallbacks": [
    "<string>"
  ],
  "scope_id": "<string>",
  "query": {}
}
'

{
  "message": "<string>",
  "rule": {
    "scope": "global",
    "id": "<string>",
    "name": "<string>",
    "description": "<string>",
    "enabled": true,
    "cel_expression": "<string>",
    "targets": [
      {
        "weight": 0.5,
        "provider": "<string>",
        "model": "<string>",
        "key_id": "<string>"
      }
    ],
    "fallbacks": [
      "<string>"
    ],
    "scope_id": "<string>",
    "priority": 123,
    "query": {},
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  }
}