{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3a289a655c2c4757fceb3e5eef4cea8bfc886fc7f86637b38d59f71f6b3621f7",
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}