{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x219f108b004d9b23c2f77540b0f6fc037ab4a4e893e77e8a486f3f5d0b733267",
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  }
}