{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4d0fe4d530a30de3c03f68d0e7a6432a7727437f2e03db074a6f044995368b22",
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  }
}