{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1628328f353a41cde787b220eb21b7be078057dd5f5a3453c61605d2eb59e37e",
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}