{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x30d0ef0cf12387bc4a7939f0aa590d652d729f29d7f0121f99f21babfc0510f4",
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  }
}