{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4cc13071ef1aa197e5131a5275e956da93332913082082bf0eef3d65b7e88016",
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    "userId": "746985041"
  }
}