{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x90bd6b01470612286426de00ca04c2b759a0f300773fc64cb0fe05d504033757",
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}