{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2d4f785471c0a5232760374231e0775837a0dc29686edc6c0717746a10a2689d",
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    "userId": "514510727"
  }
}