{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd1f7bd5149d6924348e8ede93fe89a6dfa7f07a1852404ae3bbf5478a54b04da",
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  }
}