{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x077024d973cfbb32215e814b8b5d7840ddc55abb47b0d848b6e2957abd7e84fd",
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}