{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9493e3ff38d423b86fe266806c36065bd77bd56ed36f0b15f1ca36313b4e63a8",
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    "userId": "81039471"
  }
}