{
  "metabaseConnectionId": "a1b2c3d4-e5f6-4789-9abc-def012345678",
  "metabaseDatabaseId": 42,
  "syncMode": "ONLY",
  "selections": [
    { "selectionType": "collection", "metabaseObjectId": 5 },
    { "selectionType": "collection", "metabaseObjectId": 6 }
  ],
  "defaultTagNames": [],
  "mapping": {
    "metabaseDatabaseId": 42,
    "metabaseDatabaseName": "Analytics",
    "metabaseEngine": "postgres",
    "targetConnectionId": "b2c3d4e5-f6a7-4890-abcd-ef0123456789"
  }
}