{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x047abd4bd56f64a5fdd05b79ca47c7addb074a5a1e493fc90722c43c23f4e3a1",
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}