{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x081a3cbad87400a7d9696eafd12fa47688ef749f17b8cc799a200096c837c0ff",
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}