{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd4eb2ac17f23cfbd14f51de59bbbac26c16caf080e79acc57bb001a7fe6f3505",
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    "userId": "804228665"
  }
}