{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdc636bfc0b51221d21b9ea5f08e28950da16eb239dfdada4996a4c48752844a5",
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  }
}