{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc64e4fce1225a58c1b3d24a871e9737b13ceffee511ab36e9fb44b4975793bad",
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}