{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd18d6dca19ab66231c3d42ef545fe67c1becbaf0aad7deded6a49b2c28478c97",
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}