{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3d670d29bfdd41e7e7f2b2190d109c1e02d33042f34118a37362f46cb818774b",
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  }
}