{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x595487d37dca398db45878b4ebfdda5a60f534e5e5cf83c07006f3ec1cfc59ed",
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}