{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb14d29e077202fad8410c9157cd40a7bb405f92863d3dd555ecd27b9c941c757",
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}