{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4b82ba9be58754ec0cc2b65270512ca1fda507c9618ac57d0c6dedfcddec6a05",
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  }
}