{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x45cc5b75194f7f41d9f2400d05dd6196b55727f90c0bae90c143d7ac4dc304c3",
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  }
}