{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc0c0b49769c48ca9a9c2fab4aab7b8a71b9c2ddb416a726fb49475a3532ccb7c",
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}