{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2199106184c84e9c21f77de50a25f5a2bc03b483b88926b282dbcfad22f5a121",
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}