curl --request POST \
  --url 'http://localhost:7575/v2/users/{user-id}/rights' \
  --header 'Authorization: Bearer $TOKEN' \
  --header 'Content-Type: application/json' \
  --data '{"userId":"string","rights":[{}],"identityProviderId":"string"}'

{
  "newlyGrantedRights": [
    {}
  ]
}

{
  "code": "string",
  "cause": "string",
  "correlationId": "string",
  "traceId": "string",
  "context": {},
  "resources": [
    [
      "string"
    ]
  ],
  "errorCategory": 0,
  "grpcCodeValue": 0,
  "retryInfo": "string",
  "definiteAnswer": false
}