{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x709e99f5815cab10ddc7c5050541fdd8498386676f00a4f7db77e4773fc5f4fb",
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}