{
  "manageEntity": {
    "action": "Save",
    "entityId": "855300226",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4a5ba6bf08733949518954514354f6b7bdff6a84038c3da412cb50a232f9620f",
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    "userId": "35251"
  }
}