{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x10cbed924927004e1dd9104daf302a450aaa19838857554a7144514e483da815",
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    "userId": "985079650"
  }
}