{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x20d99bbf7783e4fcd96c8c43eba6d8b23a4767cffd92eba8b18a96e922b4b26b",
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}