{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc7add045ddac19be4f6666d1a32ef502e005bf82d7aa126c7dbdc92c332dd2dc",
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  }
}