{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x730957f8b854847bc4adfe0c4b9efe9a429740fd9aa5a2caff41cf534b2ba667",
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    "userId": "348291580"
  }
}