{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa23717f2812902fc1d2f187e5e5ea1e924d74cf21b464e34eaabd1c0fec04e0f",
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  }
}