{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3af1d3a55140e77a6012f05474e5ea6fcc371f38b236be62f2a92affb1112d6e",
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}