{
  "manageEntity": {
    "action": "Save",
    "entityId": "607857797",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8e343895b8d67d081e711c2aef8fc706856f4475cd80d67f3b7819730b4a1eaa",
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}