{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x96744e4f1dd28374f020c5971ae1b9df70acb140ffab7b473cbe9b357ab82f92",
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}