{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7e18c67f884c0aee88f192149bb25271d6dcf34d1f227db3c86a2d6edb10ce83",
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}