{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x955a488aee6d23b853e8de4f0d53afa9c1167b5046dbea893c29d08e87978fc9",
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}