{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7f18f19a31e8aaa6f617a4421f880a6491624a7ecaa5563dcd6eb1ab0cac9ce2",
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  }
}