{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x160a69f7803bcd75f7110310f468a8a8574b04ef5406c09831c990ba2e114fce",
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}