{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x700e6ba98ce62435006f961ee087a6238e2d8fe21ffe5ac850730628dd2f0e37",
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  }
}