{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x75612c94e33d07318c92b4a1ce669e7bea3c01f3d91e7d8a30424526b46e3595",
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}