{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8cd4f7fda9405663651ee43e003c323e7ab6f742776156d623a97a9341a34679",
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}